List questions from number-theory

Published on 14 Apr 2026 - 1:32

55

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How To Build A Special Sequence

Published on 10 Apr 2026 - 0:12

30

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Prove that, if n is an integer and n REM 4 = 2, then is not a perfect square

Published on 15 Apr 2026 - 21:09

42

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Intuition behind this equivalence.

Published on 10 Apr 2026 - 16:16

161

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RSA encryption - confusion about the moduli

Published on 12 Apr 2026 - 2:04

199

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Integral values of $k$ for which polynomial has integral roots.

Published on 11 Apr 2026 - 6:19

146

Views

How far was the EXPLICIT abc-conjecture verified?

Published on 10 Apr 2026 - 12:55

28

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a strange placing m numbers between the two m permutation problem

Published on 15 Apr 2026 - 3:49

397

Views

For what prime $p$ does this quadratic form represent $0$?

Published on 16 Apr 2026 - 11:00

2.9k

Views

number of natural number less than or equal to 1000 which is not divisible by 10 , 15 or 25

Published on 16 Apr 2026 - 10:28

236

Views

Largest integer $n$ such that $3^n$ divides every $abc$ with $a$, $b$, $c$ positive integers, $a^2+b^2=c^2$, and $3|c$

Published on 16 Apr 2026 - 9:18

222

Views

Examples of Finite-index Open Subgroups of Idele Class Group

Published on 20 Apr 2026 - 3:04

109

Views

A result about finite sum of the reciprocal of the primes.

Published on 15 Apr 2026 - 10:45

48

Views

Is it true always that if for every $a,b,c\in \mathbb{N}$ and $a^2+b^2=c^2$, such that if $3|c$, then $abc$ is a multiple of $3^4$

Published on 16 Apr 2026 - 4:45

81

Views

Which are the solutions of $a^2+b^3=c^6$ with coprime integers $a,b,c$?

Published on 07 Apr 2026 - 6:36

List Question

Can we prove that $t$ must be a Mersenne prime?

How To Build A Special Sequence

Prove that, if n is an integer and n REM 4 = 2, then is not a perfect square

Intuition behind this equivalence.

RSA encryption - confusion about the moduli

Integral values of $k$ for which polynomial has integral roots.

How far was the EXPLICIT abc-conjecture verified?

a strange placing m numbers between the two m permutation problem

For what prime $p$ does this quadratic form represent $0$?

number of natural number less than or equal to 1000 which is not divisible by 10 , 15 or 25

Largest integer $n$ such that $3^n$ divides every $abc$ with $a$, $b$, $c$ positive integers, $a^2+b^2=c^2$, and $3|c$

Examples of Finite-index Open Subgroups of Idele Class Group

A result about finite sum of the reciprocal of the primes.

Is it true always that if for every $a,b,c\in \mathbb{N}$ and $a^2+b^2=c^2$, such that if $3|c$, then $abc$ is a multiple of $3^4$

Which are the solutions of $a^2+b^3=c^6$ with coprime integers $a,b,c$?

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