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ff049c
nt_num_divisors_compute_v1_397696148_85
Let $ n $ be the largest prime number such that $ 2 \leq n \leq 8 $. Compute the number of positive divisors of $ n $.
2
graphs = [ Graph( let={ "_n": Const(8), "n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "result": NumDivisors(n=Ref("n")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
nt_num_divisors_compute_v1
null
2
0
[ "MAX_PRIME_BELOW" ]
1
0.002
2026-02-08T11:17:04.266481Z
{ "verified": true, "answer": 2, "timestamp": "2026-02-08T11:17:04.268511Z" }
3cadc0
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 88, "completion_tokens": 206 }, "timestamp": "2026-02-15T21:10:40.130Z", "answer": 2 }, { "id": 11, "m...
2
[ { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -10, "mid": -7.71, "hi": -5.43 }
c55068
comb_sum_binomial_row_v1_865884756_2722
Let $n = 14$. Define $c = \sum_{k=1}^{95} k$. Let $a = 2^n$ and $b = c - a$. Compute the remainder when $b$ is divided by 99768.
87,944
graphs = [ Graph( let={ "_n": Const(99768), "n": Const(14), "result": Pow(Const(2), Ref("n")), "_c": Summation(var="k", start=Const(1), end=Const(95), expr=Var("k")), "Q": Mod(value=Sub(Ref("_c"), Ref("result")), modulus=Ref("_n")), }, ...
NT
null
SUM
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
5c63b0
comb_sum_binomial_row_v1
negation_mod
2
0
[ "SUM_ARITHMETIC" ]
1
0.002
2026-02-08T16:53:49.370689Z
{ "verified": true, "answer": 87944, "timestamp": "2026-02-08T16:53:49.372457Z" }
98076a
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 113, "completion_tokens": 366 }, "timestamp": "2026-02-16T07:57:57.151Z", "answer": 4556 }, { "id": 11,...
1
[ { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V3", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
869909
comb_count_derangements_v1_153355830_1673
Let $n$ be the number of nonnegative integers $j$ such that $0 \leq j \leq 20482$ and $\binom{20482}{j}$ is odd. Define $r$ to be the number of derangements of $n$ elements. Compute the remainder when $44121 \cdot r$ is divided by $66167$.
55,163
graphs = [ Graph( let={ "_n": Const(2), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(20482)), Eq(Mod(value=Binom(n=Const(20482), k=Var("j")), modulus=Ref("_n")), Const(1))), domain='nonnegative_integers')), "r...
COMB
null
COUNT
sympy
V8
[ "V8" ]
86348e
comb_count_derangements_v1
null
5
0
[ "V8" ]
1
0.002
2026-02-08T06:33:13.933855Z
{ "verified": true, "answer": 55163, "timestamp": "2026-02-08T06:33:13.935547Z" }
96c6ae
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 188, "completion_tokens": 3723 }, "timestamp": "2026-02-24T06:31:38.846Z", "answer": 55163 }, { "...
1
[ { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8", "status": "o...
{ "lo": -0.06, "mid": 2.89, "hi": 5.27 }
73bbb9
modular_min_linear_v1_124444284_1813
Let $a$ be the sum of the roots of the equation $x^2 - 689x - 12002 = 0$. Let $m = 38398$ and $b = 20391$. Determine the value of $x$ such that $1 \leq x \leq m$ and $$a \cdot x \equiv b \pmod{m},$$ and $x$ is as small as possible.
19,145
graphs = [ Graph( let={ "a": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Const(2)), Mul(Const(-689), Var("x")), Const(-12002)), Const(0)))), "b": Const(20391), "m": Const(38398), "result": MinOverSet(set=SolutionsSet(var=Var("x"), ...
NT
null
EXTREMUM
sympy
VIETA_SUM
[ "VIETA_SUM" ]
b33a7a
modular_min_linear_v1
null
5
0
[ "VIETA_SUM" ]
1
1.55
2026-02-08T04:09:38.986230Z
{ "verified": true, "answer": 19145, "timestamp": "2026-02-08T04:09:40.536644Z" }
62a9b3
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 203, "completion_tokens": 2259 }, "timestamp": "2026-02-10T15:34:02.125Z", "answer": 19145 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "VIETA_SUM", "status": "ok" ...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
f6da79
comb_sum_binomial_row_v1_1742523217_2904
Let $c = 144$ and $m = 9$. Let $s$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 144$. Define $\alpha$ to be the number of positive integers $n \le s$ such that $9$ divides the $n$-th Fibonacci number. Define $\beta$ to be the number of integers $t$ with $5 \le t \le 17$ t...
2,048
graphs = [ Graph( let={ "_c": Const(144), "_m": Const(9), "_n": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(a...
NT
null
SUM
sympy
B3
[ "B3/COUNT_FIB_DIVISIBLE/LIN_FORM" ]
953448
comb_sum_binomial_row_v1
null
6
0
[ "B3", "COUNT_FIB_DIVISIBLE", "LIN_FORM" ]
3
0.004
2026-02-08T05:27:16.143631Z
{ "verified": true, "answer": 2048, "timestamp": "2026-02-08T05:27:16.147199Z" }
308134
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 199, "completion_tokens": 1217 }, "timestamp": "2026-02-12T09:01:09.175Z", "answer": 2048 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok_later" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok_later" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_MUL", "status":...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
a70739
nt_sum_totient_over_divisors_v1_655260480_1495
Let $n$ be the number of positive integers $n_1$ such that $1 \leq n_1 \leq 21895$ and $5$ divides the $n_1$-th Fibonacci number. Define $\text{result} = \sum_{d \mid n} \phi(d)$, where $\phi$ is Euler's totient function. Let $Q$ be the remainder when $25669 \cdot \text{result}$ is divided by $61536$. Compute $Q$.
39,815
graphs = [ Graph( let={ "_n": Const(61536), "n": CountOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Const(1)), Leq(Var("n1"), Const(21895)), Divides(divisor=Const(5), dividend=Fibonacci(arg=Var(name='n1')))))), "result": SumOverDivisors(n=Ref(name='...
NT
null
COMPUTE
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE" ]
66de3c
nt_sum_totient_over_divisors_v1
null
6
0
[ "COUNT_FIB_DIVISIBLE" ]
1
0.003
2026-02-08T16:10:02.512560Z
{ "verified": true, "answer": 39815, "timestamp": "2026-02-08T16:10:02.515791Z" }
9599d8
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 150, "completion_tokens": 2359 }, "timestamp": "2026-02-16T22:45:32.427Z", "answer": 39815 }, ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
739f71
nt_sum_totient_over_divisors_v1_784195855_4970
Let $x_1$ and $x_2$ be the roots of the equation $x^2 - 2095x + 197604 = 0$. Let $n$ be the sum of these roots. Compute the sum of $\phi(d)$ over all positive divisors $d$ of $n$, where $\phi$ denotes Euler's totient function. Find the remainder when $33262$ times this sum is divided by $56873$.
14,465
graphs = [ Graph( let={ "_n": Const(2), "n": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Ref("_n")), Mul(Const(-2095), Var("x")), Const(197604)), Const(0)))), "result": SumOverDivisors(n=Ref(name='n'), var='d', expr=EulerPhi(n=Var(name='d'))),...
NT
null
COMPUTE
sympy
VIETA_SUM
[ "VIETA_SUM" ]
b33a7a
nt_sum_totient_over_divisors_v1
null
5
0
[ "VIETA_SUM" ]
1
0.006
2026-02-08T07:32:32.539471Z
{ "verified": true, "answer": 14465, "timestamp": "2026-02-08T07:32:32.545913Z" }
8c029b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 140, "completion_tokens": 1221 }, "timestamp": "2026-02-13T11:13:47.167Z", "answer": 14465 }, ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "VIETA_SUM", "status": "ok" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
86f78c
nt_num_divisors_compute_v1_2051736721_497
Let $n$ be the maximum value of $xy$ over all pairs of positive integers $(x, y)$ such that $x + y = 30$. Let $d(n)$ denote the number of positive divisors of $n$. Compute the remainder when $12787 \cdot d(n)$ is divided by $56587$.
1,909
graphs = [ Graph( let={ "_n": Const(30), "n": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Ref("_n")))), expr=Mul(Var("x"), Var("y")))), ...
NT
null
COMPUTE
sympy
B1
[ "B1" ]
5b950e
nt_num_divisors_compute_v1
null
5
0
[ "B1" ]
1
0.005
2026-02-08T15:28:16.538774Z
{ "verified": true, "answer": 1909, "timestamp": "2026-02-08T15:28:16.543677Z" }
72680a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 114, "completion_tokens": 388 }, "timestamp": "2026-02-16T06:41:48.569Z", "answer": 1909 }, { ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
6d5c30
sequence_fibonacci_compute_v1_2051736721_2078
Let $N = 50488$ and $C = 55423$. Consider the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 121$. Let $n$ be the minimum value of $x + y$ over all such pairs. Let $F_n$ denote the $n$th Fibonacci number, where $F_1 = F_2 = 1$ and $F_{k} = F_{k-1} + F_{k-2}$ for $k \geq 3$. Compute the remainder...
9,057
graphs = [ Graph( let={ "_n": Const(50488), "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(121)))), expr=Sum(Var("x"), Var("y")))),...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
sequence_fibonacci_compute_v1
null
4
0
[ "B3" ]
1
0.002
2026-02-08T16:26:15.844944Z
{ "verified": true, "answer": 9057, "timestamp": "2026-02-08T16:26:15.847254Z" }
d912b7
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 177, "completion_tokens": 1187 }, "timestamp": "2026-02-17T04:16:25.164Z", "answer": 9057 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
45e95c
antilemma_sum_equals_v1_677425708_4279
Let $N$ be the number of ordered pairs $(a, b)$ such that $1 \le a \le 8$ and $1 \le b \le 8$. Compute the number of ordered pairs $(i, j)$ of positive integers with $1 \le i \le 64$ and $1 \le j \le 64$ such that $i + j = N$.
63
graphs = [ Graph( let={ "_n": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(8)), right=IntegerRange(start=Const(1), end=Const(8)))), "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref(...
COMB
GEOM
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
8bee9e
antilemma_sum_equals_v1
null
3
0
[ "COUNT_CARTESIAN", "COUNT_SUM_EQUALS" ]
2
0.146
2026-02-08T06:31:39.879086Z
{ "verified": true, "answer": 63, "timestamp": "2026-02-08T06:31:40.024732Z" }
ff9bab
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 193, "completion_tokens": 517 }, "timestamp": "2026-02-24T06:27:55.282Z", "answer": 63 }, { "id":...
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V8", ...
{ "lo": -9.23, "mid": -6.18, "hi": -4.06 }
198e49
comb_count_surjections_v1_1439011603_1244
Let $n$ be the number of integers $t$ with $18 \le t \le 25$ such that there exist positive integers $a$ and $b$ satisfying $1 \le a \le 3$, $1 \le b \le 2$, and $t = 2a + 3b + 13$. Let $k = 6$. Compute $k!$ multiplied by the Stirling number of the second kind $S(n, k)$.
720
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=3)), Geq(left=Var(name='b'), right=Const(value=1...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_count_surjections_v1
null
4
0
[ "LIN_FORM" ]
1
0.004
2026-02-08T15:59:35.173947Z
{ "verified": true, "answer": 720, "timestamp": "2026-02-08T15:59:35.177876Z" }
dd2c3c
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 211, "completion_tokens": 721 }, "timestamp": "2026-02-24T19:26:43.072Z", "answer": 720 }, { "id...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -5.65, "mid": -3.17, "hi": -0.81 }
264728
geo_visible_lattice_v1_124444284_7408
Let $n = 120$. A visible lattice point $(x, y)$ is a point with integer coordinates such that $1 \leq x, y \leq n$ and $\gcd(x, y) = 1$. Let $V$ be the number of visible lattice points for this $n$. Find the remainder when $29 - V$ is divided by $76020$.
67,278
graphs = [ Graph( let={ "n": Const(120), "result": VisibleLatticePoints(n=Ref(name='n')), "_c": Const(29), "Q": Mod(value=Sub(Ref("_c"), Ref("result")), modulus=Const(76020)), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_visible_lattice_v1
null
4
0
null
null
0.309
2026-02-08T09:06:39.734616Z
{ "verified": true, "answer": 67278, "timestamp": "2026-02-08T09:06:40.043128Z" }
11f18a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 191, "completion_tokens": 3627 }, "timestamp": "2026-02-24T10:30:55.970Z", "answer": 67278 }, { "...
1
[]
{ "lo": 1.15, "mid": 4.18, "hi": 6.61 }
ac1307_n
modular_sum_quadratic_residues_v1_601307018_4217
A security system uses a code based on the largest divisor $p$ of $313591$ that does not exceed $\sqrt{313591}$. Once $p$ is found, the access key is generated as $\frac{p(p - 1)}{4}$. What is the access key?
77,423
NT
null
SUM
sympy
B3_CLOSEST
[ "B3_CLOSEST" ]
25e610
modular_sum_quadratic_residues_v1
null
3
null
[ "B3_CLOSEST" ]
1
0.004
2026-03-10T04:50:38.076706Z
null
fdab5d
ac1307
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 172, "completion_tokens": 6010 }, "timestamp": "2026-03-29T18:27:13.727Z", "answer": 77423 }, { "...
1
[ { "lemma": "B3_CLOSEST", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.36, "mid": 0.27, "hi": 5.45 }
ab3fbb
comb_factorial_compute_v1_1218484723_1216
Find the number of ordered pairs $(a, b)$ of positive integers with $1 \leq a \leq b \leq 30$ such that $2a^2 - 4ab + 2b^2 = 1058$. Let $n$ be this number, and compute $n!$.
5,040
graphs = [ Graph( let={ "_n": Const(2), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(30)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(30)), Leq(Var("a"), Var("b")), Eq(Sum(Mul(Const(-4), Var(...
COMB
null
COMPUTE
sympy
QF_PSD_ORBIT
[ "QF_PSD_ORBIT" ]
1d37f3
comb_factorial_compute_v1
null
4
0
[ "QF_PSD_ORBIT" ]
1
0.002
2026-02-25T02:59:38.290300Z
{ "verified": true, "answer": 5040, "timestamp": "2026-02-25T02:59:38.292446Z" }
65bb37
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 177, "completion_tokens": 585 }, "timestamp": "2026-03-10T06:03:26.668Z", "answer": 5040 }, { "id...
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "QF_PSD_ORBIT", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -10, "mid": -6.41, "hi": -2.82 }
902182
diophantine_fbi2_count_v1_809748730_1084
Let $k = 420$. Determine the number of positive integers $d$ such that $3 \leq d \leq 101$, $d$ divides $k$, and the quotient $\frac{k}{d}$ is between $6$ and $104$, inclusive. Multiply this count by $16339$, and find the remainder when the result is divided by $56145$.
20,505
graphs = [ Graph( let={ "_n": Const(104), "k": Const(420), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(3)), Leq(Var("d"), Const(101)), Divides(divisor=Var("d"), dividend=Ref("k")), Geq(Div(Ref("k"), Var("d")), Const(6)), Leq(Div...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
diophantine_fbi2_count_v1
null
4
0
[ "MIN_PRIME_FACTOR" ]
1
0.008
2026-02-08T12:02:26.667516Z
{ "verified": true, "answer": 20505, "timestamp": "2026-02-08T12:02:26.675507Z" }
d51de3
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 124, "completion_tokens": 1415 }, "timestamp": "2026-02-14T22:46:46.468Z", "answer": 20505 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
23846d
nt_count_divisors_in_range_v1_48377204_492
Let $s$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 12100$. Let $a$ be the number of ordered pairs of positive odd integers $(x_1, x_2)$ such that $x_1 + x_2 = s$. Let $n = 332640$ and $b = 7401$. Find the number of positive divisors $d$ of $n$ such that $a \le d \le b$.
113
graphs = [ Graph( let={ "_n": Const(12100), "n": Const(332640), "a": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')...
NT
null
COUNT
sympy
L3C
[ "B3/COMB1" ]
e26f7e
nt_count_divisors_in_range_v1
null
6
0
[ "B3", "COMB1", "L3C" ]
3
1.227
2026-02-08T15:30:54.826743Z
{ "verified": true, "answer": 113, "timestamp": "2026-02-08T15:30:56.054189Z" }
361cfb
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 157, "completion_tokens": 2842 }, "timestamp": "2026-02-16T07:34:20.895Z", "answer": 113 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COMB1", "status": "ok_later" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
be9561
nt_count_intersection_v1_784195855_7672
Let $N = 100000$. Define $a = 3$. Let $b$ be the number of positive integers $n$ such that $1 \leq n \leq 59$ and $\gcd(n, 6) = 1$. Determine the number of positive integers $n$ such that $1 \leq n \leq N$, $a$ divides $n$, and $\gcd(n, b) = 1$.
13,334
graphs = [ Graph( let={ "_n": Const(59), "N": Const(100000), "a": Const(3), "b": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("_n")), Eq(GCD(a=Var("n"), b=Const(6)), Const(1))))), "result": Co...
NT
null
COUNT
sympy
C4
[ "C4" ]
08d162
nt_count_intersection_v1
null
5
0
[ "C4" ]
1
5.714
2026-02-08T09:26:32.776683Z
{ "verified": true, "answer": 13334, "timestamp": "2026-02-08T09:26:38.491143Z" }
1e3558
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 137, "completion_tokens": 1234 }, "timestamp": "2026-02-14T04:18:14.817Z", "answer": 13334 }, ...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
418100
antilemma_sum_equals_v1_1125832087_2088
Let $m = 196$. Let $n$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = m$. Let $x$ be the number of ordered pairs $(i, j)$ of integers with $1 \leq i \leq 98$ and $1 \leq j \leq 98$ such that $i + j = n$. Determine the value of $k$, the smallest positive integer such that the...
60
graphs = [ Graph( let={ "_m": Const(196), "_n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2")), ...
COMB
GEOM
COMPUTE
sympy
LIN_FORM
[ "COMB1/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
3e1adf
antilemma_sum_equals_v1
null
6
0
[ "COMB1", "COUNT_SUM_EQUALS", "LIN_FORM" ]
3
0.04
2026-02-08T04:19:58.492838Z
{ "verified": true, "answer": 60, "timestamp": "2026-02-08T04:19:58.533172Z" }
6dd0b0
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 237, "completion_tokens": 4190 }, "timestamp": "2026-02-24T00:05:09.566Z", "answer": 60 }, { "id"...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V8", "statu...
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
cfd22a
comb_sum_binomial_row_v1_458359167_1508
Let $n = 11$ and $r = 2^n$. Let $p$ be the largest prime number less than or equal to $12$. Compute the Bell number $B_{r \bmod p}$.
2
graphs = [ Graph( let={ "n": Const(11), "result": Pow(Const(2), Ref("n")), "Q": Bell(Mod(value=Abs(arg=Ref(name='result')), modulus=MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(12)), IsPrime(Var("n"))))))), }...
NT
COMB
SUM
sympy
MIN_PRIME_FACTOR
[ "MAX_PRIME_BELOW" ]
88ea9c
comb_sum_binomial_row_v1
bell_mod
5
0
[ "MAX_PRIME_BELOW", "MIN_PRIME_FACTOR" ]
2
0.018
2026-02-08T04:40:45.372834Z
{ "verified": true, "answer": 2, "timestamp": "2026-02-08T04:40:45.391113Z" }
dc3d74
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 157, "completion_tokens": 268 }, "timestamp": "2026-02-11T21:51:10.290Z", "answer": 2 }, { "id":...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no...
{ "lo": -9.14, "mid": -6.05, "hi": -3.73 }
178fdc
antilemma_sum_equals_v1_168721529_448
Let $c=170$. Let $m$ be the number of ordered pairs $(x_1,x_2)$ of positive odd integers such that $$x_1+x_2=c.$$ Let $n$ be the number of ordered pairs $(i,j)$ of integers with $1\le i\le83$ and $1\le j\le83$ such that $$i+j=m.$$ Let $x$ be the number of ordered pairs $(i,j)$ of integers with $1\le i\le80$ and $1\le...
25
graphs = [ Graph( let={ "_c": Const(170), "_m": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2")), ...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS/LIN_FORM/COUNT_SUM_EQUALS", "COMB1/LIN_FORM/COUNT_SUM_EQUALS", "LIN_FORM", "COUNT_SUM_EQUALS" ]
29778c
antilemma_sum_equals_v1
negation_mod
6
0
[ "COMB1", "COUNT_SUM_EQUALS", "LIN_FORM" ]
3
0.014
2026-02-08T13:03:39.330394Z
{ "verified": true, "answer": 25, "timestamp": "2026-02-08T13:03:39.344022Z" }
b086d9
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 323, "completion_tokens": 6343 }, "timestamp": "2026-02-24T17:08:11.824Z", "answer": 25 }, { "id"...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "LIN_FORM", "sta...
{ "lo": 1.36, "mid": 4.2, "hi": 6.62 }
1bac01
antilemma_sum_equals_v1_1978505735_3499
Let $m = 31$. Define $a$ to be the number of ordered pairs $(i, j)$ of positive integers such that $i + j = m$, $1 \le i \le 29$, and $1 \le j \le 30$. Define $b$ to be the number of ordered pairs $(i_1, j_1)$ of positive integers such that $i_1 + j_1 = a$, $1 \le i_1 \le 28$, and $1 \le j_1 \le 29$. Let $C$ be the tot...
7,972
graphs = [ Graph( let={ "_m": Const(31), "_n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref("_m")), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(29)), right=IntegerRange(start=Const(1), end=Co...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS/COUNT_CARTESIAN/COUNT_SUM_EQUALS", "COUNT_CARTESIAN", "COUNT_SUM_EQUALS" ]
c49753
antilemma_sum_equals_v1
negation_mod
3
0
[ "COUNT_CARTESIAN", "COUNT_SUM_EQUALS" ]
2
0.025
2026-02-08T17:41:36.631241Z
{ "verified": true, "answer": 7972, "timestamp": "2026-02-08T17:41:36.656330Z" }
e20cf0
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 209, "completion_tokens": 1286 }, "timestamp": "2026-02-18T06:13:13.468Z", "answer": 7972 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "n...
{ "lo": -8, "mid": -4.75, "hi": -2.28 }
8c4c5b
antilemma_k3_v1_1915831931_1685
Let $x$ be the sum of $\phi(d)$ over all positive divisors $d$ of $91149$. Compute the remainder when $$x + \phi(|x| + 1) + \tau(|x| + 1)$$ is divided by $72828$.
54,773
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=91149), var='d', expr=EulerPhi(n=Var(name='d'))), "Q": Mod(value=Sum(Ref("x"), EulerPhi(n=Sum(Abs(arg=Ref(name='x')), Pow(Const(44), Const(0)))), NumDivisors(n=Sum(Abs(arg=Ref(name='x')), Const(1)))), modulus=Const(72828)), ...
NT
COMB
COMPUTE
sympy
IDENTITY_POW_ZERO
[ "IDENTITY_POW_ZERO", "K3" ]
feee28
antilemma_k3_v1
null
4
0
[ "IDENTITY_POW_ZERO", "K3" ]
2
0.002
2026-02-08T16:22:13.923862Z
{ "verified": true, "answer": 54773, "timestamp": "2026-02-08T16:22:13.925837Z" }
c226e2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 105, "completion_tokens": 1313 }, "timestamp": "2026-02-17T02:09:16.484Z", "answer": 54773 }, ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "IDENTITY_POW_ZERO", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V5", "status": "no"...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
b657b4
nt_count_intersection_v1_798873815_534
Let $N$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 25000000$. Let $a$ be the largest prime number at most 12. Compute the number of positive integers $n \leq N$ that are divisible by $a$ and relatively prime to 10.
364
graphs = [ Graph( let={ "_n": Const(12), "N": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(25000000)))), expr=Sum(Var("x"), Var("y")))...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW", "B3" ]
78ed98
nt_count_intersection_v1
null
7
0
[ "B3", "MAX_PRIME_BELOW" ]
2
2.437
2026-02-08T02:40:39.326194Z
{ "verified": true, "answer": 364, "timestamp": "2026-02-08T02:40:41.762932Z" }
0be8a7
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 190, "completion_tokens": 2051 }, "timestamp": "2026-02-08T19:42:40.717Z", "answer": 364 }, { "id...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma":...
{ "lo": -2.81, "mid": -0.78, "hi": 1.23 }
403eb0
modular_sum_quadratic_residues_v1_865884756_4858
Let $p$ be the largest prime number less than or equal to $349$. Define $r = \frac{p(p-1)}{4}$. Compute the remainder when $91872 \cdot r$ is divided by $79697$.
34,839
graphs = [ Graph( let={ "_n": Const(79697), "p": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(349)), IsPrime(Var("n"))))), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), Const(4)), "Q": Mod(value=M...
NT
null
SUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
modular_sum_quadratic_residues_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
0.003
2026-02-08T18:13:07.946198Z
{ "verified": true, "answer": 34839, "timestamp": "2026-02-08T18:13:07.948773Z" }
52bfe1
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 95, "completion_tokens": 2823 }, "timestamp": "2026-02-18T14:54:06.394Z", "answer": 34839 }, {...
1
[ { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
2ddc87
algebra_poly_eval_v1_1439011603_712
Let $y = 8$. Let $T$ be the set of all integers $t$ such that $36 \leq t \leq 1821$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 6$, $1 \leq b \leq 113$, and $t = 21a + 15b$. Compute the value of $$ \frac{36y^6 - 84y^5 - 248y^4 + 516y^3 - 1092y^2 + 760y - 528}{|T|}. $$
10,260
graphs = [ Graph( let={ "_n": Const(3), "y": Const(8), "result": Div(Sum(Mul(Const(36), Pow(Ref("y"), Const(6))), Mul(Const(-84), Pow(Ref("y"), Const(5))), Mul(Const(-248), Pow(Ref("y"), Const(4))), Mul(Const(516), Pow(Ref("y"), Ref("_n"))), Mul(Const(-1092), Pow(Ref("y")...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
algebra_poly_eval_v1
null
5
0
[ "LIN_FORM" ]
1
0.005
2026-02-08T15:41:00.356239Z
{ "verified": true, "answer": 10260, "timestamp": "2026-02-08T15:41:00.361049Z" }
87f029
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 174, "completion_tokens": 7511 }, "timestamp": "2026-02-16T11:08:56.504Z", "answer": 10260 }, ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "status": "no"...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
8a716a
geo_count_lattice_rect_v1_1915831931_1140
Let $a = 128$ and $b = 253$. Define $R$ to be the set of all lattice points $(x, y)$ such that $0 \le x \le a$ and $0 \le y \le b$. Let $N$ be the number of points in $R$. Compute the remainder when $44121 \cdot N$ is divided by $53360$.
39,566
graphs = [ Graph( let={ "a": Const(128), "b": Const(253), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), "Q": Mod(value=Mul(Const(44121), Ref("result")), modulus=Const(53360)), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
4
0
null
null
0.003
2026-02-08T15:54:40.471028Z
{ "verified": true, "answer": 39566, "timestamp": "2026-02-08T15:54:40.473576Z" }
61f254
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 194, "completion_tokens": 2406 }, "timestamp": "2026-02-24T19:02:15.269Z", "answer": 39566 }, { ...
1
[]
{ "lo": -2.4, "mid": 1.57, "hi": 5.75 }
e1ae85
nt_max_prime_below_v1_458359167_4072
Let $p$ be the largest prime number such that $2 \leq p \leq 41209$. Let $q$ be the largest prime number such that $2 \leq q \leq 208$. Compute the remainder when $$ \left(p \bmod q\right) + 5003 \cdot \left(p \bmod 499\right) $$ is divided by $94135$.
13,840
graphs = [ Graph( let={ "_n": Const(2), "upper": Const(41209), "result": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), Ref("upper")), IsPrime(Var("n"))))), "_c": Const(5003), "Q": Mod(value=Sum(Mod(...
NT
null
EXTREMUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
08a653
nt_max_prime_below_v1
two_moduli
4
0
[ "MAX_PRIME_BELOW" ]
1
0.951
2026-02-08T11:30:02.949096Z
{ "verified": true, "answer": 13840, "timestamp": "2026-02-08T11:30:03.900204Z" }
724b72
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 128, "completion_tokens": 3235 }, "timestamp": "2026-02-14T15:27:24.334Z", "answer": 13840 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
599c0e
comb_sum_binomial_row_v1_1742523217_4980
Let $s$ be the largest prime number between $2$ and $5$, inclusive. Define $n = \sum_{k=1}^{s} k$. Compute $2^n$.
32,768
graphs = [ Graph( let={ "_n": Const(2), "n": Summation(var="k", start=Const(1), end=MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(5)), IsPrime(Var("n"))))), expr=Var("k")), "result": Pow(Ref("_n"), Ref("n")), ...
NT
null
SUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/SUM_ARITHMETIC" ]
592103
comb_sum_binomial_row_v1
null
3
0
[ "MAX_PRIME_BELOW", "SUM_ARITHMETIC" ]
2
0.003
2026-02-08T10:41:59.527512Z
{ "verified": true, "answer": 32768, "timestamp": "2026-02-08T10:41:59.530229Z" }
d275a4
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 86, "completion_tokens": 318 }, "timestamp": "2026-02-14T08:23:35.821Z", "answer": 32768 }, { ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, ...
{ "lo": -6.96, "mid": -4.56, "hi": -1.46 }
adb376
nt_num_divisors_compute_v1_1742523217_748
Let $n = 16$. Compute the number of positive divisors of $n$. Let $c$ be the number of integers $n$ with $1 \leq n \leq 4905$ such that $n \equiv \left\lfloor \frac{n}{2} \right\rfloor \pmod{11}$. Compute $c$ multiplied by the number of positive divisors of $16$.
2,225
graphs = [ Graph( let={ "n": Const(16), "result": NumDivisors(n=Ref("n")), "_c": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(4905)), Congruent(a=Var(name='n'), b=Floor(arg=Div(left=Var(name='n'), right=Const(value...
NT
null
COMPUTE
sympy
L3C
[ "L3C" ]
141fd9
nt_num_divisors_compute_v1
affine_mod
5
0
[ "L3C" ]
1
0.002
2026-02-08T03:11:56.247433Z
{ "verified": true, "answer": 2225, "timestamp": "2026-02-08T03:11:56.249060Z" }
e6bd42
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 201, "completion_tokens": 1489 }, "timestamp": "2026-02-09T22:07:38.363Z", "answer": 2225 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
b3d026
nt_min_phi_inverse_v1_717093673_725
Let $S$ be the set of all ordered pairs $(i, j)$ of integers such that $1 \leq i \leq 50$, $1 \leq j \leq 51$, and $i + j = 51$. Let $k = 12$. Determine the value of the smallest positive integer $n$ such that $1 \leq n \leq |S|$ and $\phi(n) = k$.
13
graphs = [ Graph( let={ "upper": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(51)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(50)), right=IntegerRange(start=Const(1), end=Const(51))))), "...
NT
null
EXTREMUM
sympy
EULER_TOTIENT_SUM
[ "COUNT_SUM_EQUALS" ]
75ab0f
nt_min_phi_inverse_v1
null
5
0
[ "COUNT_SUM_EQUALS", "EULER_TOTIENT_SUM" ]
2
0.117
2026-02-08T15:37:01.401619Z
{ "verified": true, "answer": 13, "timestamp": "2026-02-08T15:37:01.518983Z" }
0c282a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 135, "completion_tokens": 2560 }, "timestamp": "2026-02-16T10:39:10.352Z", "answer": 13 }, { ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_FACTORIAL"...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
68b298
nt_min_crt_v1_1520064083_9227
Let $M=5$ and let $k$ be the number of integers $t$ such that $5\le t\le 15$ and there exist integers $a$ and $b$ with $1\le a\le 3$, $1\le b\le 3$, and $$t=2a+3b.$$ Let $N=16512$ and let $m_0=2$. Let $A$ be the number of nonnegative integers $j$ with $0\le j\le N$ such that $$\binom{N}{j}\equiv 1\pmod{m_0}.$$ Let $...
84
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(16512), "m": Const(5), "k": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq...
NT
null
EXTREMUM
sympy
COUNT_COPRIME_GRID
[ "COUNT_COPRIME_GRID", "LIN_FORM", "V8" ]
ad8180
nt_min_crt_v1
null
8
0
[ "COUNT_COPRIME_GRID", "LIN_FORM", "V8" ]
3
0.013
2026-02-08T10:38:00.525380Z
{ "verified": true, "answer": 84, "timestamp": "2026-02-08T10:38:00.538531Z" }
42725d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 327, "completion_tokens": 2240 }, "timestamp": "2026-02-14T07:57:13.946Z", "answer": 84 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
13a9b8
comb_bell_compute_v1_1918700295_1683
Let $P$ be the set of all pairs of positive integers $(x, y)$ such that $x + y = 6$. Let $n$ be the maximum value of $xy$ over all such pairs. Let $B_n$ denote the $n$th Bell number, which counts the number of partitions of a set of $n$ elements. Compute the remainder when $28901 \cdot B_n$ is divided by $61560$.
1,767
graphs = [ Graph( let={ "_n": Const(28901), "n": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Const(6)))), expr=Mul(Var("x"), Var("y")))), ...
COMB
null
COMPUTE
sympy
B1
[ "B1" ]
5b950e
comb_bell_compute_v1
null
4
0
[ "B1" ]
1
0.001
2026-02-08T05:57:42.674020Z
{ "verified": true, "answer": 1767, "timestamp": "2026-02-08T05:57:42.674922Z" }
3418ec
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 204, "completion_tokens": 2514 }, "timestamp": "2026-02-24T04:59:16.350Z", "answer": 1767 }, { "i...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "stat...
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
cc37b8
sequence_fibonacci_compute_v1_1742523217_4357
Let $p$ and $q$ be positive integers such that $pq = 108$, $\gcd(p, q) = 1$, and $p < q$. Let $S$ be the set of all such integers $p$. Define $n = \sum_{k=|S|}^{6} k$. Compute the $n$-th Fibonacci number, where $F_1 = 1$, $F_2 = 1$, and $F_k = F_{k-1} + F_{k-2}$ for $k \geq 3$.
10,946
graphs = [ Graph( let={ "_n": Const(6), "n": Summation(var="k", start=EulerPhi(n=CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=108)), Eq(lef...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/ONE_PHI_2/SUM_ARITHMETIC" ]
80113d
sequence_fibonacci_compute_v1
null
6
0
[ "COPRIME_PAIRS", "ONE_PHI_2", "SUM_ARITHMETIC" ]
3
0.002
2026-02-08T07:13:37.485322Z
{ "verified": true, "answer": 10946, "timestamp": "2026-02-08T07:13:37.487285Z" }
19ab21
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 221, "completion_tokens": 462 }, "timestamp": "2026-02-20T01:15:50.818Z", "answer": 10946 } ]
2
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "ONE_PHI_2", "status": "ok_later" }, { "lemma": "SUM_ARITHMETIC", "status":...
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
7f0a0e
geo_count_lattice_rect_v1_2051736721_5040
Let $a = 196$ and $b = 326$. Define $\text{result}$ to be the number of lattice points $(x, y)$ such that $0 \le x \le a$ and $0 \le y \le b$. Compute the remainder when $44121 \cdot \text{result}$ is divided by 71674. Answer with this remainder.
69,903
graphs = [ Graph( let={ "a": Const(196), "b": Const(326), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), "Q": Mod(value=Mul(Const(44121), Ref("result")), modulus=Const(71674)), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
3
0
null
null
0.001
2026-02-08T18:21:06.675529Z
{ "verified": true, "answer": 69903, "timestamp": "2026-02-08T18:21:06.676499Z" }
becdba
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 126, "completion_tokens": 1979 }, "timestamp": "2026-02-18T16:19:13.752Z", "answer": 69903 }, ...
1
[]
{ "lo": -3.12, "mid": 1.47, "hi": 6.57 }
77971a
nt_sum_totient_over_divisors_v1_168721529_849
Let $S$ be the set of all ordered pairs of positive integers $(x, y)$ such that $xy = 8191044$. Define $m$ to be the minimum value of $x + y$ as $(x, y)$ ranges over $S$. Let $d_1 = 1$ and define $s = \sum_{k \mid d_1} \mu(k)$, where $\mu$ denotes the M\"obius function. Let $n = m \cdot s \cdot s$. Compute $\sum_{d \mi...
5,724
graphs = [ Graph( let={ "n2": Const(1), "t": SumOverDivisors(n=Ref(name='n2'), var='d', expr=MoebiusMu(n=Var(name='d'))), "n1": Const(1), "s": SumOverDivisors(n=Ref(name='n1'), var='d', expr=MoebiusMu(n=Var(name='d'))), "n": Mul(MinOverSet(set=MapO...
NT
null
COMPUTE
sympy
B3
[ "B3/MOBIUS_SUM" ]
6a6e01
nt_sum_totient_over_divisors_v1
null
7
2
[ "B3", "MOBIUS_SUM" ]
2
0.006
2026-02-08T13:19:16.456908Z
{ "verified": true, "answer": 5724, "timestamp": "2026-02-08T13:19:16.462665Z" }
96a7fd
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 249, "completion_tokens": 1027 }, "timestamp": "2026-02-09T09:54:13.676Z", "answer": 5724 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOBIUS_SUM", "status": "ok_later" }...
{ "lo": -6.69, "mid": -2.39, "hi": 1.83 }
3a573d
comb_catalan_compute_v1_971394319_1260
Let $n$ be the number of elements in the Cartesian product of the sets $\{1, 2\}$ and $\{1, 2, 3, 4, 5\}$. Define the value of the $n$-th Catalan number as $\text{result}$. Let $c = 33489$. Compute $c - \text{result}$.
16,693
graphs = [ Graph( let={ "n": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(2)), right=IntegerRange(start=Const(1), end=Const(5)))), "result": Catalan(Ref("n")), "_c": Const(33489), "Q": Sub(Ref("_c"), Ref("result")), }, ...
COMB
null
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
comb_catalan_compute_v1
null
2
0
[ "COUNT_CARTESIAN" ]
1
0.003
2026-02-08T13:34:03.138097Z
{ "verified": true, "answer": 16693, "timestamp": "2026-02-08T13:34:03.140623Z" }
08ad1b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 191, "completion_tokens": 471 }, "timestamp": "2026-02-24T18:39:06.368Z", "answer": 16693 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "statu...
{ "lo": -4.92, "mid": -2.91, "hi": -0.68 }
5f4797
antilemma_k2_v1_865884756_1815
Let $c = 135$. Define $m$ to be the sum of $\phi(d)$ over all positive divisors $d$ of $c$. Let $n = 135$. Compute $$ \sum_{k=1}^{n} \phi(k) \left\lfloor \frac{1}{k} \sum_{d_1 \mid m} \phi(d_1) \right\rfloor. $$
9,180
graphs = [ Graph( let={ "_c": Const(135), "_m": SumOverDivisors(n=Ref(name='_c'), var='d', expr=EulerPhi(n=Var(name='d'))), "_n": Const(135), "x": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(SumOverDivisors(n=Ref(...
NT
COMB
COMPUTE
sympy
K3
[ "K3/K3/K2", "K2" ]
d92398
antilemma_k2_v1
null
7
0
[ "K2", "K3" ]
2
0.002
2026-02-08T16:18:22.871564Z
{ "verified": true, "answer": 9180, "timestamp": "2026-02-08T16:18:22.873535Z" }
2b2c51
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 133, "completion_tokens": 4235 }, "timestamp": "2026-02-17T01:49:02.806Z", "answer": 9180 }, {...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "K3", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
4569eb
antilemma_k3_v1_1874849503_558
Let $x = \sum_{d \mid 39297} \phi(d)$, where the sum is over all positive divisors $d$ of $39297$, and $\phi$ denotes Euler's totient function. Let $N = |x| + 1$. Define $Q$ to be the sum of $x$, the number of positive divisors of $N$, and Euler's totient function evaluated at $N$. Find the value of $Q$.
56,109
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=39297), var='d', expr=EulerPhi(n=Var(name='d'))), "Q": Sum(Ref("x"), EulerPhi(n=Sum(Abs(arg=Ref(name='x')), Const(1))), NumDivisors(n=Sum(Abs(arg=Ref(name='x')), Const(1)))), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K13
[ "IDENTITY_POW_ZERO", "K3" ]
feee28
antilemma_k3_v1
null
4
0
[ "IDENTITY_POW_ZERO", "K13", "K3" ]
3
0.005
2026-02-08T13:11:05.616378Z
{ "verified": true, "answer": 56109, "timestamp": "2026-02-08T13:11:05.621218Z" }
b0cad2
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 208, "completion_tokens": 4018 }, "timestamp": "2026-02-09T18:31:43.384Z", "answer": 56109 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "IDENTITY_POW_ZERO", "status": "ok" }, { "lemma": "K3", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V8", "status": "no"...
{ "lo": -5.15, "mid": 0.12, "hi": 6.12 }
e0b091
alg_poly4_min_v1_1419126231_467
Let $T$ be the set of ordered pairs $(a_1, b_1)$ of positive integers with $1 \leq a_1, b_1 \leq 35$ such that $13a_1^2 - 2a_1b_1 + 2b_1^2 \leq 1377$. Let $m = |T|$. Find the minimum value of $$1887804a^4 - 7459128a^3b + 11188692a^2b^2 - 7459128ab^3 + 1864782b^4$$ over all positive integers $a, b$ with $1 \leq a \leq 2...
23,022
graphs = [ Graph( let={ "_n": Const(3), "result": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(226)), Geq(Var("b"), Const(1)), Leq(Var("b"), CountOverSet(set=SolutionsSet(var=Tuple(elem...
ALG
null
COMPUTE
sympy
QF_PSD_COUNT_LEQ
[ "QF_PSD_COUNT_LEQ" ]
009d0f
alg_poly4_min_v1
null
6
0
[ "QF_PSD_COUNT_LEQ" ]
1
0.129
2026-02-25T09:59:32.205528Z
{ "verified": true, "answer": 23022, "timestamp": "2026-02-25T09:59:32.334932Z" }
020950
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 275, "completion_tokens": 16661 }, "timestamp": "2026-03-30T08:39:05.780Z", "answer": 23022 }, { ...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok" } ]
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
3efbac
alg_poly_preperiod_count_v1_1218484723_7627
Let $f(x) = 2x^5 - 2x^4 - 5x^2 + 4x - 5 \bmod 59$. For a non-negative integer $a$ with $0 \le a \le 72333$, define the sequence $N = f(a)$, $M = f(N)$, $R = f(M)$, $S = f(R)$, $T = f(S)$, $K = f(T)$. Find the number of such integers $a$ for which $K = M$, $R \ne M$, $S \ne M$, and $T \ne M$.
6,130
graphs = [ Graph( let={ "p1": Mod(value=Sum(Mul(Const(2), Pow(Var("a"), Const(5))), Mul(Const(-2), Pow(Var("a"), Const(4))), Mul(Const(-5), Pow(Var("a"), Const(2))), Mul(Const(4), Var("a")), Const(-5)), modulus=Const(59)), "p2": Mod(value=Sum(Mul(Const(2), Pow(Ref("p1"), Const(5))), ...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_preperiod_count_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.443
2026-02-25T09:03:28.669902Z
{ "verified": true, "answer": 6130, "timestamp": "2026-02-25T09:03:29.113382Z" }
6d15da
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 246, "completion_tokens": 27359 }, "timestamp": "2026-03-30T05:37:23.354Z", "answer": 6130 }, { "...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.81, "mid": 6.33, "hi": 9.49 }
10e99a
nt_count_divisible_v1_1978505735_5506
Compute the number of positive integers $n$ such that $1 \leq n \leq 68121$ and $$n \equiv \sum_{k=0}^{8} (-1)^k \binom{8}{k} \pmod{11}.$$ Find the value of this count.
6,192
graphs = [ Graph( let={ "upper": Const(68121), "divisor": Const(11), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(Mod(value=Var("n"), modulus=Ref("divisor")), Summation(var="k", start=Const(0)...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
nt_count_divisible_v1
null
4
0
[ "BINOMIAL_ALTERNATING" ]
1
2.046
2026-02-08T19:02:19.196933Z
{ "verified": true, "answer": 6192, "timestamp": "2026-02-08T19:02:21.242724Z" }
93a499
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 108, "completion_tokens": 3433 }, "timestamp": "2026-02-18T21:10:27.762Z", "answer": 6192 }, {...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "stat...
{ "lo": -5.39, "mid": -2.64, "hi": 0.63 }
b7514a
antilemma_sum_equals_v1_784195855_1176
Let $x$ be the number of ordered pairs $(i, j)$ of integers such that $1 \leq i \leq 32$, $1 \leq j \leq 32$, and $i + j = 33$. Compute the remainder when $44121 \cdot x$ is divided by $76289$.
38,670
graphs = [ Graph( let={ "_n": Const(33), "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref("_n")), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(32)), right=IntegerRange(start=Const(1), end=Con...
COMB
GEOM
COMPUTE
sympy
COMB1
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
2
0
[ "COMB1", "COUNT_SUM_EQUALS" ]
2
0.02
2026-02-08T04:53:41.824433Z
{ "verified": true, "answer": 38670, "timestamp": "2026-02-08T04:53:41.844050Z" }
0f2b8b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 181, "completion_tokens": 880 }, "timestamp": "2026-02-11T22:28:03.380Z", "answer": 38670 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -4.92, "mid": -2.9, "hi": -0.7 }
9a49cc
nt_count_intersection_v1_809748730_56
Let $N = 100000$. Define $b$ to be the number of positive integers $p$ for which there exists a positive integer $q$ such that $p < q$, $\gcd(p, q) = 1$, and $pq = 16008300$. Compute the number of positive integers $n \leq N$ such that $3$ divides $n$ and $\gcd(n, b) = 1$. Find the remainder when this number is divided...
16,667
graphs = [ Graph( let={ "N": Const(100000), "a": Const(3), "b": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=16008300)), Eq(lef...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_count_intersection_v1
null
5
0
[ "COPRIME_PAIRS" ]
1
5.202
2026-02-08T11:18:34.122555Z
{ "verified": true, "answer": 16667, "timestamp": "2026-02-08T11:18:39.324823Z" }
3e602d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 150, "completion_tokens": 1783 }, "timestamp": "2026-02-14T11:40:30.908Z", "answer": 16667 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
6a083a
nt_count_divisible_v1_655260480_5469
Let $S$ be the set of all positive integers $n$ such that $1 \leq n \leq 88804$ and $n$ is divisible by $6$. Compute the number of elements in $S$.
14,800
graphs = [ Graph( let={ "upper": Const(88804), "divisor": Summation(var="k", start=Const(1), end=Const(3), expr=Var("k")), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(Mod(value=Var("n"), modu...
NT
null
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
nt_count_divisible_v1
null
2
0
[ "SUM_ARITHMETIC" ]
1
2.75
2026-02-08T18:29:31.221235Z
{ "verified": true, "answer": 14800, "timestamp": "2026-02-08T18:29:33.971321Z" }
12cf1a
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 106, "completion_tokens": 368 }, "timestamp": "2026-02-16T12:23:57.567Z", "answer": 14800 }, { "id": 11, ...
2
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
6b3384
algebra_quadratic_discriminant_v1_124444284_6181
Let $a = 1$, $b = -1$, and $n = 2$. Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $pq = 1800$, $\gcd(p, q) = 1$, and $p < q$. Compute $b^n - a \cdot |S| \cdot (-72)$.
289
graphs = [ Graph( let={ "_n": Const(2), "a": Const(1), "b": Const(-1), "c": Const(-72), "result": Sub(Pow(Ref("b"), Ref("_n")), Mul(CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), c...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
algebra_quadratic_discriminant_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
0.003
2026-02-08T08:10:58.021871Z
{ "verified": true, "answer": 289, "timestamp": "2026-02-08T08:10:58.024614Z" }
460319
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 132, "completion_tokens": 1602 }, "timestamp": "2026-02-13T15:33:09.259Z", "answer": 289 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
ba16a3
antilemma_k3_v1_124444284_7585
Compute the sum of $\phi(d)$ over all positive divisors $d$ of $74654$, where $\phi$ denotes Euler's totient function.
74,654
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=74654), var='d', expr=EulerPhi(n=Var(name='d'))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0.001
2026-02-08T09:11:48.144137Z
{ "verified": true, "answer": 74654, "timestamp": "2026-02-08T09:11:48.144733Z" }
f80b85
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 93, "completion_tokens": 527 }, "timestamp": "2026-02-15T20:36:11.094Z", "answer": 7201 }, { "id": 11, ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -6.96, "mid": -4.56, "hi": -1.46 }
12c63f
modular_mod_compute_v1_153355830_790
Let $a = 20$. Let $m$ be the largest prime number less than or equal to 2023. Compute the remainder when $a$ is divided by $m$.
20
graphs = [ Graph( let={ "a": Const(20), "m": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(2023)), IsPrime(Var("n"))))), "result": Mod(value=Ref("a"), modulus=Ref("m")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
modular_mod_compute_v1
null
2
0
[ "MAX_PRIME_BELOW" ]
1
0.001
2026-02-08T04:10:43.678615Z
{ "verified": true, "answer": 20, "timestamp": "2026-02-08T04:10:43.680066Z" }
70fb2a
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 148, "completion_tokens": 663 }, "timestamp": "2026-02-10T15:39:46.304Z", "answer": 20 }, { "id"...
1
[ { "lemma": "K18", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -9.14, "mid": -6.05, "hi": -3.73 }
57aabf
alg_poly_orbit_hensel_v1_1419126231_1208
Let $N = (a^2 + a + 590) \bmod 1849$ and $M = (N^2 + N + 590) \bmod 1849$. Find the number of non-negative integers $a$ with $0 \le a \le 525115$ such that $M = a$ and $N \ne a$.
568
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(2)), Var("a"), Const(590)), modulus=Const(1849)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(2)), Ref("p1"), Const(590)), modulus=Const(1849)), "result": CountOverSet(set=SolutionsSet(var=Var("a"), condition=An...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_orbit_hensel_v1
null
5
null
[ "POLY_ORBIT_COUNT" ]
1
0.02
2026-02-25T10:40:35.313466Z
{ "verified": true, "answer": 568, "timestamp": "2026-02-25T10:40:35.333027Z" }
1a085c
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 188, "completion_tokens": 14208 }, "timestamp": "2026-03-30T11:45:36.795Z", "answer": 2 }, { "i...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.8, "mid": 6.33, "hi": 9.49 }
875b5b
nt_sum_totient_over_divisors_v1_124444284_6141
Let $n$ be the number of ordered pairs $(a,b)$ such that $1 \leq a \leq 12$ and $1 \leq b \leq 263$. Compute the sum of $\phi(d)$ over all positive divisors $d$ of $n$, where $\phi$ denotes Euler's totient function.
3,156
graphs = [ Graph( let={ "n": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(12)), right=IntegerRange(start=Const(1), end=Const(263)))), "result": SumOverDivisors(n=Ref(name='n'), var='d', expr=EulerPhi(n=Var(name='d'))), }, goal=Ref("res...
NT
null
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
nt_sum_totient_over_divisors_v1
null
4
0
[ "COUNT_CARTESIAN" ]
1
0.004
2026-02-08T08:09:16.560985Z
{ "verified": true, "answer": 3156, "timestamp": "2026-02-08T08:09:16.565243Z" }
128c71
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 113, "completion_tokens": 1590 }, "timestamp": "2026-02-13T15:32:00.893Z", "answer": 3156 }, {...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
ae9e89
nt_count_intersection_v1_124444284_4117
Let $N = 20000$. Let $b$ be the number of integers $t$ such that $23 \leq t \leq 42$ and there exist integers $a$ and $b$ with $1 \leq a \leq 7$, $1 \leq b \leq 2$, and $t = 2a + 7b + 14$. Let $a = 3$. Compute the number of positive integers $n \leq N$ such that $3$ divides $n$ and $\gcd(n, b) = 1$.
2,857
graphs = [ Graph( let={ "N": Const(20000), "a": Const(3), "b": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Co...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_count_intersection_v1
null
5
0
[ "LIN_FORM" ]
1
0.967
2026-02-08T05:46:44.686793Z
{ "verified": true, "answer": 2857, "timestamp": "2026-02-08T05:46:45.653778Z" }
77d038
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 165, "completion_tokens": 1713 }, "timestamp": "2026-02-12T14:26:17.537Z", "answer": 2857 }, {...
1
[ { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "statu...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
01b5b8
alg_sum_powers_v1_601307018_2245
Let $M = \left( \sum_{k=1}^{1900} k^2 \right) \bmod 8953$. Find the remainder when $\min\{ |x - y| : x, y > 0,\, xy = 86721 \} - M$ is divided by $85620$.
83,286
graphs = [ Graph( let={ "_n": Const(2), "result": Mod(value=Summation(var="k", start=Const(1), end=Const(1900), expr=Pow(Var("k"), Ref("_n"))), modulus=Const(8953)), "Q": Mod(value=Sub(MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), co...
ALG
null
COMPUTE
sympy
B3_DIFF
[ "B3_DIFF" ]
01f407
alg_sum_powers_v1
negation_mod
4
0
[ "B3_DIFF" ]
1
0.099
2026-03-10T02:54:27.408537Z
{ "verified": true, "answer": 83286, "timestamp": "2026-03-10T02:54:27.507134Z" }
f33e1a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 179, "completion_tokens": 8875 }, "timestamp": "2026-03-29T04:49:54.776Z", "answer": 26370 }, { ...
1
[ { "lemma": "B3_DIFF", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 1.23, "mid": 4.27, "hi": 6.7 }
a463fd
geo_count_lattice_triangle_v1_601307018_4151
Let $M = \left|144 \cdot 144 + 32 \cdot (0 - 99)\right|$ and let $$R = \gcd(144, 99) + \gcd(|32 - 144|, |144 - 99|) + \gcd(|0 - 32|, |0 - 144|).$$ Compute $\frac{M + 2 - R}{2}$.
8,772
graphs = [ Graph( let={ "_n": Const(144), "area_2x": Abs(arg=Sum(Mul(Ref(name='_n'), Const(value=144)), Mul(Const(value=32), Sub(left=Const(value=0), right=Const(value=99))))), "boundary": Sum(GCD(a=Abs(arg=Const(value=144)), b=Abs(arg=Const(value=99))), GCD(a=Abs(arg=Sub...
GEOM
NT
COUNT
sympy
B1
[ "B1" ]
5b950e
geo_count_lattice_triangle_v1
null
4
0
[ "B1" ]
1
0.012
2026-03-10T04:44:21.592843Z
{ "verified": true, "answer": 8772, "timestamp": "2026-03-10T04:44:21.604722Z" }
6a247e
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 203, "completion_tokens": 561 }, "timestamp": "2026-03-29T11:13:01.026Z", "answer": 8772 }, { "id...
1
[ { "lemma": "B1", "status": "ok" } ]
{ "lo": -6.2, "mid": -2.87, "hi": 0.44 }
37a909
nt_count_phi_equals_v1_2051736721_2764
Let $N = 49$. Define $$ t = \sum_{k=1}^{N} \varphi(k) \left\lfloor \frac{49}{k} \right\rfloor, $$ where $\varphi$ denotes Euler's totient function. Let $k = 471$. Determine the number of positive integers $n$ such that $1 \le n \le t$ and $\varphi(n) = k$.
0
graphs = [ Graph( let={ "_n": Const(49), "upper": Summation(var="k1", start=Const(1), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k1")), Floor(Div(Const(49), Var("k1"))))), "k": Const(471), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Va...
NT
null
COUNT
sympy
K2
[ "K2" ]
6897ab
nt_count_phi_equals_v1
null
6
0
[ "K2" ]
1
0.637
2026-02-08T16:54:22.471498Z
{ "verified": true, "answer": 0, "timestamp": "2026-02-08T16:54:23.108424Z" }
7f4665
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 134, "completion_tokens": 5174 }, "timestamp": "2026-02-17T14:51:29.641Z", "answer": 0 }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
c62f5a
modular_inverse_v1_151522320_2573
Let $a$ be the number of ordered pairs $(i, j)$ where $i$ is an integer from 1 to 3 and $j$ is an integer from 1 to 67. Let $m = 523$ and define $R$ to be the set of all integers $x$ such that $1 \leq x \leq 522$ and $a \cdot x \equiv 1 \pmod{m}$. Compute the smallest element of $R$.
255
graphs = [ Graph( let={ "a": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(3)), right=IntegerRange(start=Const(1), end=Const(67)))), "m": Const(523), "upper": Const(522), "result": MinOverSet(set=SolutionsSet(var=Var("x"), condi...
NT
null
EXTREMUM
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
modular_inverse_v1
null
6
0
[ "COUNT_CARTESIAN" ]
1
0.024
2026-02-08T04:52:56.036152Z
{ "verified": true, "answer": 255, "timestamp": "2026-02-08T04:52:56.059762Z" }
202024
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 215, "completion_tokens": 1388 }, "timestamp": "2026-02-11T22:22:12.757Z", "answer": 255 }, { "i...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_P...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
314b9c_l
comb_factorial_compute_v1_1470522791_1246
Let $n$ be the number of positive integers less than or equal to 8 that are divisible by 8. Compute $n!$.
1
ALG
COMB
COMPUTE
sympy
SUM_DIVISIBLE
[ "SUM_DIVISIBLE" ]
02dbe3
comb_factorial_compute_v1
null
2
0
[ "SUM_DIVISIBLE" ]
1
0.001
2026-02-08T13:32:14.602893Z
{ "verified": false, "answer": 40320, "timestamp": "2026-02-08T13:32:14.603909Z" }
65d1e2
314b9c
legacy_text
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 139, "completion_tokens": 194 }, "timestamp": "2026-02-24T18:31:52.719Z", "answer": 1 }, { "id...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_DIVISIBLE", "status": "ok" } ]
{ "lo": 3.25, "mid": 5.68, "hi": 8.81 }
6c207e
lin_form_endings_v1_1520064083_8790
Let $a = 35$, $b = 10$, $A = 25$, and $B = 51$. Let $g = \gcd(a, b)$, $a' = \left\lfloor \frac{a}{g} \right\rfloor$, and $b' = \left\lfloor \frac{b}{g} \right\rfloor$. Define $\text{size}_T = a' \cdot A + b' \cdot B - a' \cdot b'$. Let $\text{total} = a \cdot A + b \cdot B - a - b + 1$. Compute $\text{total} - \text{si...
1,078
graphs = [ Graph( let={ "a_coeff": Const(35), "b_coeff": Const(10), "A_val": Const(25), "B_val": Const(51), "g_step": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "ap_node": Floor(Div(Ref("a_coeff"), Ref("g_step"))), "bp_node": ...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
6
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T10:23:33.287376Z
{ "verified": true, "answer": 1078, "timestamp": "2026-02-08T10:23:33.288543Z" }
a41baf
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 207, "completion_tokens": 568 }, "timestamp": "2026-02-15T20:59:04.839Z", "answer": 1077 }, { "id": 11,...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "sta...
{ "lo": -6.96, "mid": -4.56, "hi": -1.46 }
4968ab
alg_telescope_v1_601307018_3214
Let $M = \left( \sum_{k=0}^{1596} (4k^3 + 6k^2 + 4k + 1) \right) \bmod \min\{x + y \mid x > 0, y > 0, xy = 21418384\}$. Find the remainder when $21449M$ is divided by $96730$.
60,399
graphs = [ Graph( let={ "_n": Const(3), "result": Mod(value=Summation(var="k", start=Const(0), end=Const(1596), expr=Sum(Mul(Const(4), Pow(Var("k"), Ref("_n"))), Mul(Const(6), Pow(Var("k"), Const(2))), Mul(Const(4), Var("k")), Const(1))), modulus=MinOverSet(set=MapOverSet(set=Solutio...
ALG
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
alg_telescope_v1
null
4
0
[ "B3" ]
1
0.157
2026-03-10T03:46:10.626308Z
{ "verified": true, "answer": 60399, "timestamp": "2026-03-10T03:46:10.783595Z" }
c8b1dd
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 196, "completion_tokens": 32768 }, "timestamp": "2026-03-29T07:53:08.047Z", "answer": null }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 1.23, "mid": 4.27, "hi": 6.7 }
c197e6
comb_count_derangements_v1_1526740231_503
Let $n$ be the number of ordered pairs $(i, j)$ of positive integers such that $1 \le i \le 3$, $1 \le j \le 3$, and $\gcd(i, j) = 1$. Let $r = !n$ denote the subfactorial of $n$. Compute the remainder when $53826 \cdot r$ is divided by $71425$. Find the value of this remainder.
12,679
graphs = [ Graph( let={ "_n": Const(53826), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(GCD(a=Var("i"), b=Var("j")), Const(1)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(3)), right=IntegerRange(start=Const(1), en...
NT
COMB
COUNT
sympy
COUNT_COPRIME_GRID
[ "COUNT_COPRIME_GRID" ]
20ec03
comb_count_derangements_v1
null
3
0
[ "COUNT_COPRIME_GRID" ]
1
0.002
2026-02-08T11:34:30.931761Z
{ "verified": true, "answer": 12679, "timestamp": "2026-02-08T11:34:30.933601Z" }
0537e2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 139, "completion_tokens": 1901 }, "timestamp": "2026-02-14T16:20:09.105Z", "answer": 12679 }, ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_FACTORIA...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
fb776c
sequence_count_fib_divisible_v1_238844314_217
Determine the number of positive integers $n \leq 995$ such that the $n$th Fibonacci number is divisible by $7$.
124
graphs = [ Graph( let={ "upper": Const(995), "d": Const(7), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Divides(divisor=Ref("d"), dividend=Fibonacci(arg=Var(name='n')))))), }, go...
NT
null
COUNT
sympy
ONE_PHI_2
[ "LIN_FORM" ]
7b2633
sequence_count_fib_divisible_v1
null
5
0
[ "LIN_FORM", "ONE_PHI_2" ]
2
0.409
2026-02-08T13:10:57.178646Z
{ "verified": true, "answer": 124, "timestamp": "2026-02-08T13:10:57.587362Z" }
aeaea8
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 75, "completion_tokens": 1949 }, "timestamp": "2026-02-15T11:10:15.690Z", "answer": 124 }, { ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
f3ba17
nt_count_divisible_v1_655260480_3425
Let $T$ be the set of all integers $t$ such that $27 \leq t \leq 55$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 5$, $1 \leq b \leq 3$, and $t = 4a + 6b + 17$. Let $\text{divisor}$ be the number of elements in $T$. Let $\text{upper} = 77284$. Let $\text{result}$ be the number of positive integers ...
5,944
graphs = [ Graph( let={ "upper": Const(77284), "divisor": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=5)), Ge...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_count_divisible_v1
null
4
0
[ "LIN_FORM" ]
1
2.426
2026-02-08T17:22:32.232719Z
{ "verified": true, "answer": 5944, "timestamp": "2026-02-08T17:22:34.659055Z" }
098137
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 195, "completion_tokens": 1640 }, "timestamp": "2026-02-18T00:56:36.877Z", "answer": 5944 }, {...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
ea21ad
modular_modexp_compute_v1_601307018_3534
Let $s = \min\{ x_1 + y_1 : x_1, y_1 > 0,\ x_1 y_1 = 8281,\ x_1 \le y_1 \}$. Let $e$ be the maximum value of $xy$ over all ordered pairs $(x, y)$ of positive integers such that $x + y = s$. Compute $31^e \bmod 29584$.
12,175
graphs = [ Graph( let={ "a": Const(31), "e": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tup...
NT
null
COMPUTE
sympy
B3
[ "B3/B1" ]
7f76f7
modular_modexp_compute_v1
null
5
0
[ "B1", "B3" ]
2
0.004
2026-03-10T04:07:48.850933Z
{ "verified": true, "answer": 12175, "timestamp": "2026-03-10T04:07:48.855169Z" }
80ab4a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 204, "completion_tokens": 10422 }, "timestamp": "2026-03-29T09:01:28.443Z", "answer": 12175 }, { ...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "B3", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "...
{ "lo": -2.46, "mid": 1.23, "hi": 4.93 }
a92767
nt_sum_divisors_mod_v1_784195855_1441
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 8100$. For each such pair, compute $x + y$, and let $n$ be the minimum value of $x + y$ over all such pairs. Let $\sigma$ be the sum of all positive divisors of $n$. Find the remainder when $\sigma$ is divided by $10607$.
546
graphs = [ Graph( let={ "_n": Const(8100), "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Ref("_n")))), expr=Sum(Var("x"), Var("y")))), ...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_divisors_mod_v1
null
5
0
[ "B3" ]
1
0.006
2026-02-08T05:01:39.980168Z
{ "verified": true, "answer": 546, "timestamp": "2026-02-08T05:01:39.986361Z" }
6a5ebd
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 199, "completion_tokens": 564 }, "timestamp": "2026-02-11T22:41:17.366Z", "answer": 546 }, { "id...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.33 }
d37ae3
nt_min_with_divisor_count_v1_784195855_1331
Let $T$ be the set of all positive integers $t$ such that $10 \leq t \leq 8121$ and there exist positive integers $a$, $b$ with $1 \leq a \leq 726$, $1 \leq b \leq 849$, satisfying $t = 3a + 7b$. Let $u$ be the number of elements in $T$. Let $p$ be the largest prime number less than or equal to 3. Determine the smalles...
4
graphs = [ Graph( let={ "_n": Const(3), "upper": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=726)), Geq(left=...
NT
null
EXTREMUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW", "LIN_FORM" ]
d530e2
nt_min_with_divisor_count_v1
null
5
0
[ "LIN_FORM", "MAX_PRIME_BELOW" ]
2
0.316
2026-02-08T04:58:07.747333Z
{ "verified": true, "answer": 4, "timestamp": "2026-02-08T04:58:08.063652Z" }
eeaf71
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 264, "completion_tokens": 3285 }, "timestamp": "2026-02-11T22:34:44.790Z", "answer": 4 }, { "id"...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" ...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
0a0262
geo_count_lattice_rect_v1_677425708_752
Let $a = 47$ and $b = 82$. Define a lattice point as a point in the plane with integer coordinates. Consider the rectangle consisting of all points $(x, y)$ such that $0 \leq x \leq a$ and $0 \leq y \leq b$. Compute the number of lattice points contained in this rectangle.
3,984
graphs = [ Graph( let={ "a": Const(47), "b": Const(82), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), }, goal=Ref("result"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
3
0
null
null
0.001
2026-02-08T03:42:50.245686Z
{ "verified": true, "answer": 3984, "timestamp": "2026-02-08T03:42:50.247064Z" }
671aff
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 190, "completion_tokens": 218 }, "timestamp": "2026-02-08T21:01:36.561Z", "answer": 3984 }, { "id...
1
[]
{ "lo": -5.97, "mid": -3.96, "hi": -1.93 }
f13f43
algebra_quadratic_discriminant_v1_1520064083_79
Let $n = 66561$. Define $c$ to be the number of nonnegative integers $j$ such that $0 \leq j \leq n$ and $\binom{n}{j}$ is odd. Let $a = 2$ and $b = 4$. Define $\text{result} = b^2 - 4ac$. Let $Q = B_k$, where $B_k$ denotes the $k$-th Bell number and $k = |\text{result}| \bmod 11$. Compute $Q$.
15
graphs = [ Graph( let={ "_n": Const(66561), "a": Const(2), "b": Const(4), "c": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Ref("_n")), Eq(Mod(value=Binom(n=Const(66561), k=Var("j")), modulus=Const(2)), Const...
COMB
null
COMPUTE
sympy
V8
[ "V8" ]
86348e
algebra_quadratic_discriminant_v1
null
7
0
[ "V8" ]
1
0.001
2026-02-08T02:58:50.817030Z
{ "verified": true, "answer": 15, "timestamp": "2026-02-08T02:58:50.818319Z" }
47bb72
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 227, "completion_tokens": 1196 }, "timestamp": "2026-02-10T12:07:24.409Z", "answer": 15 }, { "id"...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "ok" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -2.87, "mid": -0.89, "hi": 0.97 }
2dccec
comb_bell_compute_v1_1125832087_1071
Let $n$ be the number of prime numbers $p$ such that $2 \leq p \leq 23$. The Bell number $B_n$ is the number of ways to partition a set of $n$ distinct elements. Compute $B_n$.
21,147
graphs = [ Graph( let={ "_n": Const(23), "n": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "result": Bell(Ref("n")), }, goal=Ref("result"), ) ]
NT
COMB
COMPUTE
sympy
LTE_SUM
[ "COUNT_PRIMES" ]
07c874
comb_bell_compute_v1
null
4
0
[ "COUNT_PRIMES", "LTE_SUM" ]
2
0.007
2026-02-08T03:29:55.923939Z
{ "verified": true, "answer": 21147, "timestamp": "2026-02-08T03:29:55.931346Z" }
8db23a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 166, "completion_tokens": 509 }, "timestamp": "2026-02-10T14:50:39.034Z", "answer": 21147 }, { "i...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V8_SUM", "status": "no...
{ "lo": -5.55, "mid": -3.02, "hi": 0.31 }
091b6d
sequence_fibonacci_compute_v1_1248542787_325
Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $pq = 54$, $\gcd(p, q) = 1$, and $p < q$. Compute the number of elements in $S$. Let $n$ be the smallest divisor of $10938133$ that is at least this number. Find the $n$th Fibonacci number.
28,657
graphs = [ Graph( let={ "_n": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=54)), Eq(left=GCD(a=Var(name='p'), b=Var(name='q')), right=Const(value=1)), ...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/MIN_PRIME_FACTOR" ]
52cee2
sequence_fibonacci_compute_v1
null
5
0
[ "COPRIME_PAIRS", "MIN_PRIME_FACTOR" ]
2
0.003
2026-02-08T03:03:40.114356Z
{ "verified": true, "answer": 28657, "timestamp": "2026-02-08T03:03:40.117486Z" }
9313cd
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 202, "completion_tokens": 3925 }, "timestamp": "2026-02-09T02:56:47.264Z", "answer": 28657 }, { "...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok_later" }, { "lemma": "V3", "status": "no" }...
{ "lo": 1.1, "mid": 4.17, "hi": 6.61 }
7aca64
modular_sum_quadratic_residues_v1_1520064083_1576
Let $n$ be a positive integer. Define $S$ as the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 19881$. Let $T$ be the set of all sums $x + y$ where $(x, y) \in S$. Let $m$ be the minimum value in $T$. Let $p$ be the largest prime number such that $2 \leq p \leq m$. Compute $\frac{p(p-1)}{4}$.
19,670
graphs = [ Graph( let={ "_n": Const(2), "p": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(ar...
NT
null
SUM
sympy
B3
[ "B3/MAX_PRIME_BELOW" ]
f253c0
modular_sum_quadratic_residues_v1
null
5
0
[ "B3", "MAX_PRIME_BELOW" ]
2
0.002
2026-02-08T04:07:43.447559Z
{ "verified": true, "answer": 19670, "timestamp": "2026-02-08T04:07:43.449458Z" }
bb5856
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 219, "completion_tokens": 579 }, "timestamp": "2026-02-10T15:25:46.043Z", "answer": 19670 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V8", "status": "no" }, { ...
{ "lo": -3.49, "mid": 1.84, "hi": 7.55 }
8a2cb6
comb_binomial_compute_v1_124444284_7881
Let $n = 15$. Define $k$ to be the number of positive integers $p$ for which there exists a positive integer $q$ such that $pq = 264600$, $\gcd(p, q) = 1$, and $p < q$. Compute $\binom{n}{k}$.
6,435
graphs = [ Graph( let={ "n": Const(15), "k": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=264600)), Eq(left=GCD(a=Var(name='p'), b=Var(name...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
comb_binomial_compute_v1
null
6
0
[ "COPRIME_PAIRS" ]
1
0.001
2026-02-08T09:24:40.340291Z
{ "verified": true, "answer": 6435, "timestamp": "2026-02-08T09:24:40.341146Z" }
db6d5f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 110, "completion_tokens": 2024 }, "timestamp": "2026-02-14T04:12:41.251Z", "answer": 6435 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
16f2a5
nt_sum_gcd_range_mod_v1_151522320_1042
Let $N = 1156$ and $M = 11903$. Let $k$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $x \cdot y = 15876$. Compute the remainder when $$ \sum_{n=1}^{N} \gcd(n, k) $$ is divided by $M$.
9,916
graphs = [ Graph( let={ "_n": Const(15876), "N": Const(1156), "k": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Ref("_n")))), ex...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_gcd_range_mod_v1
null
6
0
[ "B3" ]
1
0.055
2026-02-08T03:43:38.003448Z
{ "verified": true, "answer": 9916, "timestamp": "2026-02-08T03:43:38.058040Z" }
2b354f
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 197, "completion_tokens": 4397 }, "timestamp": "2026-02-10T15:33:21.670Z", "answer": 9916 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" } ]
{ "lo": -3.52, "mid": 1.14, "hi": 6.18 }
0ed26b
antilemma_k2_v1_1080341949_112
Let $x = \sum_{k=1}^{267} \phi(k) \left\lfloor \frac{267}{k} \right\rfloor$, where $\phi(n)$ denotes Euler's totient function. Compute $x + \phi(|x|+1) + \tau(|x|+1)$, where $\tau(n)$ denotes the number of positive divisors of $n$.
70,558
graphs = [ Graph( let={ "_n": Const(267), "x": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(267), Var("k"))))), "Q": Sum(Ref("x"), EulerPhi(n=Sum(Abs(arg=Ref(name='x')), Const(1))), NumDivisors(n=Sum(Abs(arg=Ref(name='x'...
NT
COMB
COMPUTE
sympy
K2
[ "K2" ]
6897ab
antilemma_k2_v1
null
5
0
[ "K2" ]
1
0.001
2026-02-08T13:13:26.792638Z
{ "verified": true, "answer": 70558, "timestamp": "2026-02-08T13:13:26.794047Z" }
d6eb37
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 127, "completion_tokens": 1319 }, "timestamp": "2026-02-15T12:07:25.667Z", "answer": 70558 }, ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
e0f1a9
sequence_count_fib_divisible_v1_1125832087_2426
Let $p$ be the number of prime numbers $n$ such that $2 \leq n \leq 6547$. Determine the number of positive integers $n$ such that $1 \leq n \leq p$ and $8$ divides the $n$th Fibonacci number.
140
graphs = [ Graph( let={ "upper": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(6547)), IsPrime(Var("n"))))), "d": Const(8), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1))...
NT
null
COUNT
sympy
COUNT_PRIMES
[ "COUNT_PRIMES" ]
07c874
sequence_count_fib_divisible_v1
null
6
0
[ "COUNT_PRIMES" ]
1
0.034
2026-02-08T04:36:44.314167Z
{ "verified": true, "answer": 140, "timestamp": "2026-02-08T04:36:44.348105Z" }
932214
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 106, "completion_tokens": 1882 }, "timestamp": "2026-02-12T01:50:36.998Z", "answer": 140 }, { ...
1
[ { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
27f95a
antilemma_sum_factor_cartesian_v1_153355830_151
For each pair of integers $(i, j)$ with $1 \le i \le 11$ and $1 \le j \le 17$, compute the product $i \cdot j$. Let $x$ be the sum of all such products. Compute the remainder when $$ (x \bmod 199) + 5003 \cdot (x \bmod 499) $$ is divided by $71469$.
18,750
graphs = [ Graph( let={ "x": SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Const(1), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(11)), right=IntegerRange(start=Const(1), end=Const(17)))), expr=Mul(Var("i"), Var("j")))), ...
NT
null
COMPUTE
sympy
SUM_FACTOR_CARTESIAN
[ "SUM_FACTOR_CARTESIAN" ]
d9e436
antilemma_sum_factor_cartesian_v1
null
3
0
[ "SUM_FACTOR_CARTESIAN" ]
1
0.001
2026-02-08T02:55:04.800019Z
{ "verified": true, "answer": 18750, "timestamp": "2026-02-08T02:55:04.800648Z" }
0bc5eb
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 196, "completion_tokens": 568 }, "timestamp": "2026-02-17T15:59:41.643Z", "answer": 3266 } ]
0
[ { "lemma": "C2", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "SUM_FACTOR_CARTESIAN", "status": "ok" }, { "lemma": "V5", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -6.48, "mid": 1.54, "hi": 9.56 }
b0724f
nt_max_prime_below_v1_1440796553_254
Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 12$, $\gcd(p, q) = 1$, and $p < q$. Let $n$ be the largest prime number that is at least $|S|$ and at most 55555. Find the value of $n$.
55,547
graphs = [ Graph( let={ "upper": Const(55555), "result": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), V...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_max_prime_below_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
3.536
2026-02-08T11:40:48.800345Z
{ "verified": true, "answer": 55547, "timestamp": "2026-02-08T11:40:52.335905Z" }
953a73
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 130, "completion_tokens": 2929 }, "timestamp": "2026-02-14T17:40:40.491Z", "answer": 55547 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_ADD", "statu...
{ "lo": -6.96, "mid": -4.56, "hi": -1.46 }
aab8dd
diophantine_fbi2_min_v1_1918700295_3243
Let $S_1$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 419904$. Let $T_1$ be the set of all values $x + y$ where $(x, y) \in S_1$. Let $s_1$ be the minimum value in $T_1$. Let $S_2$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = s_1$. Let $T_2$ be the set ...
6
graphs = [ Graph( let={ "_n": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(9625))))), "k": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Va...
NT
null
EXTREMUM
sympy
B1
[ "MIN_PRIME_FACTOR/B3", "B3/B3" ]
f2f7b2
diophantine_fbi2_min_v1
null
7
0
[ "B1", "B3", "MIN_PRIME_FACTOR" ]
3
0.2
2026-02-08T08:28:15.967926Z
{ "verified": true, "answer": 6, "timestamp": "2026-02-08T08:28:16.167599Z" }
4c6039
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 271, "completion_tokens": 1322 }, "timestamp": "2026-02-13T19:09:38.823Z", "answer": 6 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "M...
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
0e1900
algebra_quadratic_discriminant_v1_1431428450_1049
Let $a = -10$, $b = 7$, and $c = 5$. Compute the discriminant $b^2 - 4ac$. Let $T$ be the set of integers $t$ with $7 \leq t \leq 24$ such that there exist integers $a'$ and $b'$ with $1 \leq a' \leq 4$, $1 \leq b' \leq 3$, and $t = 3a' + 4b'$. Let $N = 66535$. Compute the remainder when $|T| - (b^2 - 4ac)$ is divided ...
66,298
graphs = [ Graph( let={ "_n": Const(66535), "a": Const(-10), "b": Const(7), "c": Const(5), "result": Sub(Pow(Ref("b"), Const(2)), Mul(Const(4), Ref("a"), Ref("c"))), "Q": Mod(value=Sub(CountOverSet(set=SolutionsSet(var=Var("t"), conditi...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
324ba4
algebra_quadratic_discriminant_v1
negation_mod
3
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T13:52:35.305696Z
{ "verified": true, "answer": 66298, "timestamp": "2026-02-08T13:52:35.308015Z" }
d8fd07
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 200, "completion_tokens": 536 }, "timestamp": "2026-02-16T05:08:26.592Z", "answer": 66296 }, { "id": 11...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
16988e
antilemma_sum_equals_v1_1915831931_4153
Let $x$ be the number of ordered pairs $(i,j)$ of positive integers such that $i + j = 19$, $1 \leq i \leq 17$, and $1 \leq j \leq 17$. Compute the remainder when $66725x$ is divided by $73353$.
40,658
graphs = [ Graph( let={ "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(19)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(17)), right=IntegerRange(start=Const(1), end=Const(17))))), "Q": ...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
2
0
[ "COUNT_SUM_EQUALS" ]
1
0.011
2026-02-08T18:08:01.618281Z
{ "verified": true, "answer": 40658, "timestamp": "2026-02-08T18:08:01.628847Z" }
cd55fe
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 111, "completion_tokens": 32768 }, "timestamp": "2026-02-24T23:37:54.247Z", "answer": null },...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status"...
{ "lo": -2.99, "mid": 1.5, "hi": 6.57 }
62dc5e
nt_count_with_divisor_count_v1_1918700295_3629
Let $ d $ be the number of positive integers $ n $ with $ 1 \leq n \leq 69 $ such that $ n \equiv \left\lfloor \frac{n}{2} \right\rfloor \pmod{7} $. Let $ S $ be the set of positive integers $ n $ with $ 1 \leq n \leq 10609 $ such that the number of positive divisors of $ n $ is equal to $ d $. Compute the number of el...
32
graphs = [ Graph( let={ "upper": Const(10609), "div_count": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(69)), Congruent(a=Var(name='n'), b=Floor(arg=Div(left=Var(name='n'), right=Const(value=2))), modulus=Const(value=7))))), ...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "L3C" ]
73f8b0
nt_count_with_divisor_count_v1
null
6
0
[ "COPRIME_PAIRS", "L3C" ]
2
2.358
2026-02-08T08:47:02.843708Z
{ "verified": true, "answer": 32, "timestamp": "2026-02-08T08:47:05.201817Z" }
7fba4d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 151, "completion_tokens": 1623 }, "timestamp": "2026-02-13T21:39:42.891Z", "answer": 32 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" ...
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
2282c0
alg_telescope_v1_601307018_4443
Let $B_n$ denote the $n$-th Bell number. Let $T$ be the set of integers $t$ such that $t = 7a + 2b$ for some integers $a, b$ with $1 \leq a \leq 164$, $1 \leq b \leq 217$, and $9 \leq t \leq 1582$. Let $M = \left( \sum_{k=0}^{|T|} (3k^2 + 3k + 1) \right) \bmod 3474$ and $Q = B_{|M| \bmod 11}$. Compute $Q$.
5
graphs = [ Graph( let={ "_n": Const(3), "result": Mod(value=Summation(var="k", start=Const(0), end=CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left...
COMB
COMB
COMPUTE
sympy
COUNT_CARTESIAN
[ "LIN_FORM" ]
7b2633
alg_telescope_v1
null
6
0
[ "COUNT_CARTESIAN", "LIN_FORM" ]
2
0.221
2026-03-10T05:00:00.505289Z
{ "verified": true, "answer": 5, "timestamp": "2026-03-10T05:00:00.726730Z" }
da3660
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 258, "completion_tokens": 32768 }, "timestamp": "2026-03-29T12:17:21.832Z", "answer": 5 }, { "id"...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": ...
{ "lo": 1.19, "mid": 4.27, "hi": 6.7 }
cce9c0
nt_max_prime_below_v1_458359167_3291
Let $r$ be the largest prime number not exceeding $15876$. Let $a = r \bmod 317$. Let $b$ be the largest prime number not exceeding $3009$. Let $c$ be the number of positive integers $n$ such that $1 \leq n \leq 3453$ and $n \equiv \left\lfloor \frac{n}{2} \right\rfloor \pmod{11}$. Compute the remainder when $a + b \cd...
35,600
graphs = [ Graph( let={ "_m": Const(317), "_n": Const(3453), "upper": Const(15876), "result": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("upper")), IsPrime(Var("n"))))), "Q": Mod(value=Sum(Mod...
NT
null
EXTREMUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW", "L3C" ]
acce41
nt_max_prime_below_v1
two_moduli
6
0
[ "L3C", "MAX_PRIME_BELOW" ]
2
0.371
2026-02-08T08:15:37.404128Z
{ "verified": true, "answer": 35600, "timestamp": "2026-02-08T08:15:37.775446Z" }
e60dcc
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 163, "completion_tokens": 3233 }, "timestamp": "2026-02-13T16:27:50.150Z", "answer": 35600 }, ...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" },...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
3234cc
nt_count_digit_sum_v1_1526740231_386
Let $n$ be a positive integer. Define $\alpha$ to be the number of positive integers $n$ not exceeding 37493 such that $\gcd(n, 30) = 1$. Let $\beta$ be the number of positive integers $n$ not exceeding $\alpha$ such that the sum of the decimal digits of $n$ equals 20. Compute $\beta$.
633
graphs = [ Graph( let={ "_n": Const(37493), "upper": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("_n")), Eq(GCD(a=Var("n"), b=Const(30)), Const(1))))), "target_sum": Const(20), "result": CountOverSet(set...
NT
null
COUNT
sympy
C4
[ "C4" ]
08d162
nt_count_digit_sum_v1
null
4
0
[ "C4" ]
1
0.721
2026-02-08T11:30:26.175930Z
{ "verified": true, "answer": 633, "timestamp": "2026-02-08T11:30:26.897388Z" }
20a67a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 126, "completion_tokens": 1699 }, "timestamp": "2026-02-14T15:06:45.084Z", "answer": 633 }, { ...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
f61c86
antilemma_k2_v1_124444284_7482
Compute $$ \sum_{k=1}^{443} \phi(k) \left\lfloor \frac{443}{k} \right\rfloor, $$ where $\phi(k)$ denotes Euler's totient function. Determine the value of this sum.
98,346
graphs = [ Graph( let={ "x": Summation(var="k", start=Const(1), end=Const(443), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(443), Var("k"))))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K2
[ "K2" ]
6897ab
antilemma_k2_v1
null
5
0
[ "K2" ]
1
0
2026-02-08T09:09:29.992212Z
{ "verified": true, "answer": 98346, "timestamp": "2026-02-08T09:09:29.992491Z" }
dbe5ba
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 97, "completion_tokens": 601 }, "timestamp": "2026-02-14T01:09:08.767Z", "answer": 98346 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
51c7c2
sequence_count_fib_divisible_v1_1440796553_1193
Let $n = 71289$. Define $s$ to be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = n$. Let $d$ be the smallest divisor of $385$ that is at least $2$. Find the number of positive integers $n$ such that $1 \leq n \leq s$ and $d$ divides the $n$-th Fibonacci number.
106
graphs = [ Graph( let={ "_n": Const(71289), "upper": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Ref("_n")))), expr=Sum(Var("x"), Var("y"))...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR", "B3" ]
6c6c26
sequence_count_fib_divisible_v1
null
6
0
[ "B3", "MIN_PRIME_FACTOR" ]
2
0.025
2026-02-08T12:13:46.320180Z
{ "verified": true, "answer": 106, "timestamp": "2026-02-08T12:13:46.344687Z" }
e43cd9
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 140, "completion_tokens": 1127 }, "timestamp": "2026-02-15T18:22:52.917Z", "answer": 106 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "s...
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
21697f
comb_binomial_compute_v1_1915831931_4008
Let $S$ be the set of integers $t$ in the range $5 \leq t \leq 55$ for which there exist positive integers $a$ and $b$ with $1 \leq a \leq 23$, $1 \leq b \leq 3$, and $t = 2a + 3b$. Let $n$ be the smallest possible value of $x + y$ where $x$ and $y$ are positive integers such that $xy = |S|$. Compute the remainder when...
62,332
graphs = [ Graph( let={ "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a')...
ALG
COMB
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/B3" ]
05313e
comb_binomial_compute_v1
null
6
0
[ "B3", "LIN_FORM" ]
2
0.003
2026-02-08T18:02:56.582152Z
{ "verified": true, "answer": 62332, "timestamp": "2026-02-08T18:02:56.584951Z" }
558d34
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 175, "completion_tokens": 2971 }, "timestamp": "2026-02-24T23:26:27.346Z", "answer": 62332 }, ...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
87333b
antilemma_k3_v1_151522320_807
Let $m = \sum_{d\mid 29} \phi(d)$, where $\phi$ denotes Euler's totient function. Let $n = 27021$ and let $x = \sum_{d\mid n} \phi(d)$. Let $S$ be the set of all integers $x$ such that $x^2 - 12x - 9964 = 0$. Compute the remainder when $x^2 + m \cdot x + \sum S$ is divided by $75154$.
45,412
graphs = [ Graph( let={ "_c": Const(2), "_m": SumOverDivisors(n=Const(value=29), var='d', expr=EulerPhi(n=Var(name='d'))), "_n": Const(27021), "x": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), "Q": Mod(value=Sum(Pow(R...
NT
COMB
COMPUTE
sympy
K3
[ "K3/VIETA_SUM", "K3" ]
dfc3e0
antilemma_k3_v1
quadratic_mod
5
0
[ "K3", "VIETA_SUM" ]
2
0.003
2026-02-08T03:32:57.374005Z
{ "verified": true, "answer": 45412, "timestamp": "2026-02-08T03:32:57.377073Z" }
c3ece4
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 222, "completion_tokens": 6915 }, "timestamp": "2026-02-10T15:02:47.275Z", "answer": 45412 }, { "...
1
[ { "lemma": "K3", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "VIETA_S...
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
6a88db
modular_product_range_v1_898971024_2210
Let $n$ be an integer satisfying $2 \leq n \leq 499$ and such that $n$ is prime. Let $S$ be the set of all such integers $n$. Let $P$ be the product of all integers from 40 to $|S|$, inclusive. Let $R$ be the remainder when $P$ is divided by 10133. Compute the remainder when $24285 \cdot R$ is divided by 80018.
78,110
graphs = [ Graph( let={ "_n": Const(2), "prod": MathProduct(expr=Var("i"), var="i", start=Const(40), end=CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), Const(499)), IsPrime(Var("n")))))), "result": Mod(value=Ref("prod"), ...
NT
null
COMPUTE
sympy
COUNT_PRIMES
[ "COUNT_PRIMES" ]
07c874
modular_product_range_v1
null
4
0
[ "COUNT_PRIMES" ]
1
0.002
2026-02-08T16:36:10.653404Z
{ "verified": true, "answer": 78110, "timestamp": "2026-02-08T16:36:10.655851Z" }
b9fb4b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 145, "completion_tokens": 4125 }, "timestamp": "2026-02-17T07:50:13.088Z", "answer": 78110 }, ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
df113b
nt_max_prime_below_v1_1520064083_4243
Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 12$, $\gcd(p, q) = 1$, and $p < q$. Let $m$ be the number of elements in $S$. Let $N$ be the largest prime number $n$ such that $m \le n \le 37636$. Determine the value of $N$.
37,633
graphs = [ Graph( let={ "upper": Const(37636), "result": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), V...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_max_prime_below_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
0.921
2026-02-08T06:10:26.147593Z
{ "verified": true, "answer": 37633, "timestamp": "2026-02-08T06:10:27.068480Z" }
faea4d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 143, "completion_tokens": 1724 }, "timestamp": "2026-02-12T20:18:40.567Z", "answer": 37633 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
0b27a7
nt_max_prime_below_v1_124444284_2469
Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 6$, $\gcd(p, q) = 1$, and $p < q$. Let $m$ be the number of elements in $S$. Determine the largest prime number $n$ such that $m \le n \le 66666$.
66,653
graphs = [ Graph( let={ "upper": Const(66666), "result": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), V...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_max_prime_below_v1
null
3
0
[ "COPRIME_PAIRS" ]
1
1.713
2026-02-08T04:42:28.443300Z
{ "verified": true, "answer": 66653, "timestamp": "2026-02-08T04:42:30.156393Z" }
5c6360
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 197, "completion_tokens": 3673 }, "timestamp": "2026-02-11T21:42:26.286Z", "answer": 66653 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MOD_ADD", "stat...
{ "lo": -5.55, "mid": -3.01, "hi": 0.33 }
164d78
comb_factorial_compute_v1_1520064083_9803
Let $n$ be the largest prime number less than or equal to 8. Compute the remainder when $44121 \cdot n!$ is divided by 81472.
32,752
graphs = [ Graph( let={ "_n": Const(8), "n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "result": Factorial(Ref("n")), "Q": Mod(value=Mul(Const(44121), Ref("result")), modulu...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
comb_factorial_compute_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
0.001
2026-02-08T11:00:34.143967Z
{ "verified": true, "answer": 32752, "timestamp": "2026-02-08T11:00:34.145045Z" }
532be1
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 83, "completion_tokens": 825 }, "timestamp": "2026-02-14T09:58:25.793Z", "answer": 32752 }, { ...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V7", "status": "no" }...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
609f9d
nt_sum_divisors_mod_v1_124444284_2578
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 14288400$. Let $n$ be the minimum value of $x + y$ over all pairs $(x, y) \in S$. Compute the remainder when the sum of all positive divisors of $n$ is divided by $10007$.
8,786
graphs = [ Graph( let={ "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(14288400)))), expr=Sum(Var("x"), Var("y")))), "M": Const(100...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_divisors_mod_v1
null
6
0
[ "B3" ]
1
0.004
2026-02-08T04:46:19.368214Z
{ "verified": true, "answer": 8786, "timestamp": "2026-02-08T04:46:19.371894Z" }
7804dd
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 187, "completion_tokens": 1977 }, "timestamp": "2026-02-11T22:03:31.027Z", "answer": 8786 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
3ae8e0
comb_count_derangements_v1_784195855_4187
Let $n = 8$. Define $d_n$ to be the number of derangements of $n$ elements. Let $C$ be the maximum value of $xy$ over all pairs of positive integers $(x, y)$ such that $x + y = 194$. Compute $C - d_n$, then find the remainder when this value is divided by $91357$. Report this remainder.
85,933
graphs = [ Graph( let={ "_n": Const(194), "n": Const(8), "result": Subfactorial(arg=Ref(name='n')), "_c": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name=...
COMB
null
COUNT
sympy
B1
[ "B1" ]
d2b6e1
comb_count_derangements_v1
negation_mod
4
0
[ "B1" ]
1
0.002
2026-02-08T06:54:16.386008Z
{ "verified": true, "answer": 85933, "timestamp": "2026-02-08T06:54:16.388221Z" }
90d7be
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 193, "completion_tokens": 1110 }, "timestamp": "2026-02-24T07:14:33.934Z", "answer": 85933 }, { "...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8_SU...
{ "lo": -4.93, "mid": -2.91, "hi": -0.71 }
bd7b13
antilemma_k3_v1_677425708_2367
Let $m = 16146$ and $n = 76760$. Define $x$ to be the sum of Euler's totient function $\phi(d)$ over all positive divisors $d$ of $n$. Let $c = 7001$. Let $S$ be the set of all integers $x$ such that $x^2 - 397x + m = 0$. Compute the value of $$ \left( x \bmod 251 + c \cdot \left( x \bmod \sum S \right) \right) \bmod 7...
31,533
graphs = [ Graph( let={ "_m": Const(16146), "_n": Const(76760), "x": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), "_c": Const(7001), "Q": Mod(value=Sum(Mod(value=Ref("x"), modulus=Const(251)), Mul(Ref("_c"), Mod(value...
NT
COMB
COMPUTE
sympy
VIETA_SUM
[ "VIETA_SUM", "K3" ]
4765cd
antilemma_k3_v1
two_moduli
5
0
[ "K3", "VIETA_SUM" ]
2
0.001
2026-02-08T05:01:19.791820Z
{ "verified": true, "answer": 31533, "timestamp": "2026-02-08T05:01:19.792822Z" }
0325a0
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 237, "completion_tokens": 1249 }, "timestamp": "2026-02-11T22:44:34.143Z", "answer": 31533 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, {...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
b1f01f
comb_count_partitions_v1_865884756_3830
Let $d$ be a positive integer such that $1 \leq d \leq 39$ and $d$ divides 1677. Let $n$ be the largest such $d$. Compute the number of integer partitions of $n$. Then, find the remainder when $94475$ times this number is divided by 75738.
70,413
graphs = [ Graph( let={ "_n": Const(75738), "n": MaxOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(1)), Leq(Var("d"), Const(39)), Divides(divisor=Var("d"), dividend=Const(1677))))), "result": Partition(arg=Ref(name='n')), "_c": Const(...
NT
COMB
COUNT
sympy
MAX_DIVISOR
[ "MAX_DIVISOR" ]
51757e
comb_count_partitions_v1
null
4
0
[ "MAX_DIVISOR" ]
1
0.002
2026-02-08T17:35:25.941150Z
{ "verified": true, "answer": 70413, "timestamp": "2026-02-08T17:35:25.943429Z" }
2bd6aa
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 117, "completion_tokens": 1963 }, "timestamp": "2026-02-18T05:24:09.133Z", "answer": 70413 }, ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
2d40fb
geo_count_lattice_triangle_v1_1218484723_4208
Let $M = |128 \cdot 180 + 120 \cdot (-64)|$ and $R = \gcd(128, 64) + \gcd(|120 - 128|, |180 - 64|) + \gcd(|0 - 120|, |0 - 180|)$. Compute $\frac{M + 2 - R}{2}$.
7,617
graphs = [ Graph( let={ "_n": Const(4), "area_2x": Abs(arg=Sum(Mul(Const(value=128), Const(value=180)), Mul(Const(value=120), Sub(left=Const(value=0), right=Const(value=64))))), "boundary": Sum(GCD(a=Abs(arg=Const(value=128)), b=Abs(arg=Const(value=64))), GCD(a=Abs(arg=Su...
GEOM
NT
COUNT
sympy
POLY_ORBIT_HENSEL
[ "POLY_ORBIT_HENSEL" ]
53b6eb
geo_count_lattice_triangle_v1
null
3
0
[ "POLY_ORBIT_HENSEL" ]
1
0.021
2026-02-25T05:52:23.937763Z
{ "verified": true, "answer": 7617, "timestamp": "2026-02-25T05:52:23.958341Z" }
d56e35
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 195, "completion_tokens": 566 }, "timestamp": "2026-03-29T14:19:09.038Z", "answer": 7617 }, { "id...
2
[ { "lemma": "POLY_ORBIT_HENSEL", "status": "ok" } ]
{ "lo": -10, "mid": -6.41, "hi": -2.82 }
4e1597
nt_sum_divisors_mod_v1_1520064083_9477
Let $n$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 1587600$. Let $\sigma$ be the sum of the positive divisors of $n$, and let $M = 11399$. Define $\text{result} = \sigma \bmod M$. Find the value of $21904 - \text{result}$.
12,544
graphs = [ Graph( let={ "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(1587600)))), expr=Sum(Var("x"), Var("y")))), "M": Const(1139...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_divisors_mod_v1
null
6
0
[ "B3" ]
1
0.001
2026-02-08T10:47:05.746608Z
{ "verified": true, "answer": 12544, "timestamp": "2026-02-08T10:47:05.747847Z" }
687cad
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 134, "completion_tokens": 1674 }, "timestamp": "2026-02-14T08:50:53.702Z", "answer": 12544 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
c837b6
antilemma_coprime_grid_v1_1248542787_847
Let $x$ be the number of ordered pairs $(i, j)$ of positive integers with $1 \leq i \leq 37$ and $1 \leq j \leq 200$ such that $\gcd(i, j) = 1$. Let $d_k$ denote the $k$th decimal digit of $x$ (with $k=0$ being the units digit). Compute $$ \sum_{i=0}^{t} d_i (i+1)^2 + 2916, $$ where $t$ is the number of decimal digits ...
3,065
graphs = [ Graph( let={ "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(GCD(a=Var("i"), b=Var("j")), Const(1)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(37)), right=IntegerRange(start=Const(1), end=Const(200))))), "...
NT
COMB
COMPUTE
sympy
COUNT_COPRIME_GRID
[ "COUNT_COPRIME_GRID" ]
20ec03
antilemma_coprime_grid_v1
null
6
0
[ "COUNT_COPRIME_GRID" ]
1
0.001
2026-02-08T03:27:35.422872Z
{ "verified": true, "answer": 3065, "timestamp": "2026-02-08T03:27:35.424046Z" }
e9b4e4
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 245, "completion_tokens": 2650 }, "timestamp": "2026-02-09T09:03:14.219Z", "answer": 3065 }, { "i...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "ok" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "VAL_SUM_EQ", "stat...
{ "lo": -6.51, "mid": -0.31, "hi": 5.43 }
778fbb
modular_inverse_v1_784195855_9529
Let $N = 11056$. Compute the number of positive integers $n$ such that $1 \leq n \leq N$, $8$ divides $n$, and $\gcd(n, 15) = 1$. Denote this count by $u$. Let $a = 126$ and $m = 739$. Find the smallest positive integer $x$ such that $1 \leq x \leq u$ and $126x \equiv 1 \pmod{739}$. Compute the remainder when $44121$ t...
34,590
graphs = [ Graph( let={ "_n": Const(11056), "a": Const(126), "m": Const(739), "upper": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("_n")), Divides(divisor=Const(8), dividend=Var("n")), Eq(GCD(a=Var("n"),...
NT
null
EXTREMUM
sympy
C5
[ "C5" ]
1d9668
modular_inverse_v1
null
6
0
[ "C5" ]
1
0.033
2026-02-08T16:53:03.804102Z
{ "verified": true, "answer": 34590, "timestamp": "2026-02-08T16:53:03.837489Z" }
79d6d9
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 169, "completion_tokens": 1929 }, "timestamp": "2026-02-17T15:25:05.622Z", "answer": 34590 }, ...
1
[ { "lemma": "C5", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
f579f6
antilemma_sum_equals_v1_1978505735_6484
Let $T$ be the number of integers $t$ such that there exist positive integers $a \leq 10$ and $b \leq 13$ satisfying $t = 15a + 6b + 5$ and $26 \leq t \leq 233$. Compute the number of ordered pairs $(i, j)$ with $1 \leq i \leq 64$ and $1 \leq j \leq 65$ such that $i + j = T$.
64
graphs = [ Graph( let={ "_n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=10)), Geq(left=Var(name='b'), right=Const(value...
COMB
GEOM
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
ada383
antilemma_sum_equals_v1
null
5
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.008
2026-02-08T19:36:30.884134Z
{ "verified": true, "answer": 64, "timestamp": "2026-02-08T19:36:30.891650Z" }
5d5421
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 148, "completion_tokens": 3574 }, "timestamp": "2026-02-18T22:59:36.792Z", "answer": 60 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "LIN_F...
{ "lo": -5.39, "mid": -2.64, "hi": 0.63 }
655d4b
comb_count_derangements_v1_151522320_2007
Let $A$ be the set of all integers $t$ such that $7 \leq t \leq 549$ and there exist positive integers $a \leq 47$, $b \leq 157$ satisfying $t = 5a + 2b$. Let $m$ be the number of elements in $A$. Let $d$ be the smallest integer greater than or equal to $2$ that divides $m$. Compute the number of derangements of $d$ el...
1,854
graphs = [ Graph( let={ "_m": Const(2), "_n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=47)), Geq(left=Var(...
NT
COMB
COUNT
sympy
LIN_FORM
[ "LIN_FORM/MIN_PRIME_FACTOR" ]
bb1a13
comb_count_derangements_v1
null
5
0
[ "LIN_FORM", "MIN_PRIME_FACTOR" ]
2
0.002
2026-02-08T04:31:02.607416Z
{ "verified": true, "answer": 1854, "timestamp": "2026-02-08T04:31:02.609021Z" }
722ba3
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 216, "completion_tokens": 4311 }, "timestamp": "2026-02-10T16:50:14.388Z", "answer": 1854 }, { "...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok_la...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
2cdd08
nt_euler_phi_compute_v1_1918700295_2089
Let $n = 38809$. Compute $\phi(n)$, where $\phi$ denotes Euler's totient function. Let $r = \phi(n)$. Let $t$ be the number of positive integers $p$ for which there exists a positive integer $q > p$ such that $pq = 2490180$ and $\gcd(p, q) = 1$. Compute $$ r + \left( 2^{r \bmod{t}} \bmod{88029} \right). $$ Determine th...
38,628
graphs = [ Graph( let={ "n": Const(38809), "result": EulerPhi(n=Ref("n")), "Q": Sum(Ref("result"), Mod(value=Pow(Const(2), Mod(value=Ref("result"), modulus=CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), c...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
64a51e
nt_euler_phi_compute_v1
mod_exp
6
0
[ "COPRIME_PAIRS" ]
1
0.002
2026-02-08T07:40:57.501882Z
{ "verified": true, "answer": 38628, "timestamp": "2026-02-08T07:40:57.503809Z" }
d386df
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 158, "completion_tokens": 2437 }, "timestamp": "2026-02-13T11:53:18.988Z", "answer": 38628 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }