List questions from elementary-number-theory

Published on 21 Mar 2026 - 6:50

5.1k

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Find all solutions to $x^2$ ≡ 1(mod 8)

Published on 25 Mar 2026 - 6:27

88

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Square Root Irrational Proof

Published on 05 Apr 2026 - 18:42

1.2k

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About "interesting" numbers #2

Published on 19 Mar 2026 - 16:37

98

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Application of the Well-Ordering Principle

Published on 09 Apr 2026 - 1:19

138

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Interesting question on triangular numbers

Published on 20 Mar 2026 - 9:15

62

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On integer sequences of the form $\sum_{n=1}^N (a(n))^2H_n^2,$ where $H_n$ is the $n$th harmonic number: refute my conjecture and add yourself example

Published on 09 Apr 2026 - 1:51

37

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Fixed points of absolute set difference

Published on 09 Apr 2026 - 0:26

40

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Number of solutions for quadratic polynomials in $\mathbb{F}_p$

Published on 09 Apr 2026 - 2:53

134

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Proving $(n!)^n | (n^2)!$

Published on 10 Apr 2026 - 10:44

297

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Conclude there are infinitely primes with given residue class

Published on 08 Apr 2026 - 23:08

66

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Congruence equation doubt

Published on 25 Mar 2026 - 8:05

216

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Prove that $2^n > 10n^2$ for sufficiently large $n$ using calculus

Published on 24 Mar 2026 - 23:54

11.3k

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If a ≡ b (mod n) and m|n, then a ≡ b (mod m)

Published on 25 Mar 2026 - 8:08

74

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What are the most used divisibility theorems?

Published on 25 Mar 2026 - 1:26

List Question

Constraints for proving : $a\equiv b\pmod {m_1}, a\equiv b\pmod {m_2} \implies a\equiv b\pmod L$

Find all solutions to $x^2$ ≡ 1(mod 8)

Square Root Irrational Proof

About "interesting" numbers #2

Application of the Well-Ordering Principle

Interesting question on triangular numbers

On integer sequences of the form $\sum_{n=1}^N (a(n))^2H_n^2,$ where $H_n$ is the $n$th harmonic number: refute my conjecture and add yourself example

Fixed points of absolute set difference

Number of solutions for quadratic polynomials in $\mathbb{F}_p$

Proving $(n!)^n | (n^2)!$

Conclude there are infinitely primes with given residue class

Congruence equation doubt

Prove that $2^n > 10n^2$ for sufficiently large $n$ using calculus

If a ≡ b (mod n) and m|n, then a ≡ b (mod m)

What are the most used divisibility theorems?

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