List questions from quadratic-residues

Published on 20 Dec 2016 - 11:04

101

Views

Number that can't be root of -1 quadratic residue modulo p

Published on 20 Dec 2016 - 11:25

168

Views

Sums of quadratic residues with quadratic nonresidues

Published on 20 Dec 2016 - 17:40

371

Views

Find all $p$ primes such that $-8$ is quadratic residue modulo $p$

Published on 23 Dec 2016 - 22:51

163

Views

Finding all solutions for congruences

Published on 01 Jan 2017 - 16:56

191

Views

$2$ is a primitive root of $p = 2q+1$ when $p = 8t+3$

Published on 25 Mar 2026 - 14:23

73

Views

Showing that $-1\not\equiv x^2\mod 4$

Published on 06 Jan 2017 - 12:49

122

Views

Perfect square is congruent to $n$ modulo $2^{12}$

Published on 26 Mar 2026 - 21:35

355

Views

Quadratic residues modulo $2^n$ and parity

Published on 08 Jan 2017 - 13:17

2.4k

Views

If $a$ is a quadratic residue modulo $p^n$ where $p$ is a prime, then $a$ is a quadratic residue modulo $p^{n+1}$

Published on 09 Jan 2017 - 4:25

693

Views

Solving quadratic congruences mod powers of a prime.

Published on 09 Jan 2017 - 19:33

125

Views

How to find $x^2 \equiv -1 \pmod{p}$?

Published on 11 Jan 2017 - 9:09

83

Views

Existence of a quadratic residue $r$ mod $p$ such that $-r-1$ is a quadratic nonresidue.

Published on 25 Mar 2026 - 12:49

309

Views

Quadratic residue equal to -1 for product of primes $ \equiv 1 \mod 4$

Published on 25 Mar 2026 - 19:12

85

Views

Primes among quadratic residues modulo a prime

Published on 21 Jan 2017 - 16:01

List Question

Roots of $-1$ quadratic residue modulo$ p$

Number that can't be root of -1 quadratic residue modulo p

Sums of quadratic residues with quadratic nonresidues

Find all $p$ primes such that $-8$ is quadratic residue modulo $p$

Finding all solutions for congruences

$2$ is a primitive root of $p = 2q+1$ when $p = 8t+3$

Showing that $-1\not\equiv x^2\mod 4$

Perfect square is congruent to $n$ modulo $2^{12}$

Quadratic residues modulo $2^n$ and parity

If $a$ is a quadratic residue modulo $p^n$ where $p$ is a prime, then $a$ is a quadratic residue modulo $p^{n+1}$

Solving quadratic congruences mod powers of a prime.

How to find $x^2 \equiv -1 \pmod{p}$?

Existence of a quadratic residue $r$ mod $p$ such that $-r-1$ is a quadratic nonresidue.

Quadratic residue equal to -1 for product of primes $ \equiv 1 \mod 4$

Primes among quadratic residues modulo a prime

Trending Questions

Popular # Hahtags

Popular Questions