List questions from elementary-number-theory

Published on 16 Apr 2026 - 12:12

226

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Number theory - Find the number satisfying the condition.

Published on 15 Apr 2026 - 22:13

130

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Prove that every natural number $n>15$ there exist natural numbers $x,y\geqslant1$ which solve the equation.

Published on 13 Apr 2026 - 2:23

136

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Gaussian Primes List

Published on 15 Apr 2026 - 15:09

97

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Concise way to accurately find factors of any number?

Published on 14 Apr 2026 - 1:42

60

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Elementary Number theory

Published on 13 Apr 2026 - 16:41

137

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11 divisiblity problem

Published on 13 Apr 2026 - 20:46

279

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Efficient modular solution to $ax - by \equiv 0\pmod{p}$?

Published on 10 Apr 2026 - 6:02

94

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Asymptotic relation between $\Phi(x,z)$ and $\Psi(x,z)$

Published on 28 Apr 2026 - 4:05

181

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Prove that there are infinitely many even nontotients

Published on 14 Apr 2026 - 20:27

457

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When is $x^2+y^2+1=xyz$?

Published on 15 Apr 2026 - 21:24

359

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What is the sum of the even (resp. odd) terms only of the Hockey-stick identity?

Published on 12 Apr 2026 - 6:54

2.2k

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What is the best algorithm for finding the last digit of an enormous exponent?

Published on 22 Apr 2026 - 22:37

63

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given a Diophantine equation $ax+by=k$ for which $k$ values have a solution

Published on 10 Apr 2026 - 1:49

66

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Does the relationship $c^ n ±1= 2^{kn−2}d^n$ have solutions in the integers?

Published on 15 Apr 2026 - 9:49

List Question

Integer solutions to $x^3=y^3+2y+1$?

Number theory - Find the number satisfying the condition.

Prove that every natural number $n>15$ there exist natural numbers $x,y\geqslant1$ which solve the equation.

Gaussian Primes List

Concise way to accurately find factors of any number?

Elementary Number theory

11 divisiblity problem

Efficient modular solution to $ax - by \equiv 0\pmod{p}$?

Asymptotic relation between $\Phi(x,z)$ and $\Psi(x,z)$

Prove that there are infinitely many even nontotients

When is $x^2+y^2+1=xyz$?

What is the sum of the even (resp. odd) terms only of the Hockey-stick identity?

What is the best algorithm for finding the last digit of an enormous exponent?

given a Diophantine equation $ax+by=k$ for which $k$ values have a solution

Does the relationship $c^ n ±1= 2^{kn−2}d^n$ have solutions in the integers?

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