Question

For any primitive pythagorean triple $(a,b,c)$ either $a$ or $b$ must be a multiple of $3$

score 2.5k · Answer 1 · 2026-03-25 19:05:24

2.5k

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For any primitive pythagorean triple $(a,b,c)$ either $a$ or $b$ must be a multiple of $3$

Published on 25 Mar 2026 - 19:05

score 91 · Answer 2 · 2018-10-18 16:29:48

91

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What is the order of $(\mathbb{Z}/p^n\Bbb{Z})^ \times$?

Published on 18 Oct 2018 - 16:29

score 360 · Answer 3 · 2018-10-18 17:02:11

360

Views

Infinitely many primes $p$ with $p^3\equiv5\mod6$

Published on 18 Oct 2018 - 17:02

score 69 · Answer 4 · 2026-03-25 09:27:11

69

Views

The maps $f_+$ and $f_-$ are well-defined.

Published on 25 Mar 2026 - 9:27

score 50 · Answer 5 · 2018-10-19 00:01:06

50

Views

Let $n ∈ ℤ⁺$ with $n > 1$. Prove: If $a ≡ 1$ (mod $n²$), then $a^n ≡ 1$ (mod $n³$)

Published on 19 Oct 2018 - 0:01

score 170 · Answer 6 · 2018-10-19 02:03:15

170

Views

Find the smallest value of $n$ such that $3n^3-2019$ is a multiple of 2016

Published on 19 Oct 2018 - 2:03

score 305 · Answer 7 · 2026-03-27 07:14:30

305

Views

Determining if an integer is a square in a finite field

Published on 27 Mar 2026 - 7:14

score 48 · Answer 8 · 2018-10-20 21:37:27

48

Views

Consider $m$ to be odd and prime. And $A = \{0, 1, 2, ..., 2m-1\}$ is the set of all remainders modulo $2m$.

Published on 20 Oct 2018 - 21:37

score 2.2k · Answer 9 · 2018-10-20 23:36:56

2.2k

Views

Solve the Linear Congruence Equations.

Published on 20 Oct 2018 - 23:36

score 202 · Answer 10 · 2018-10-21 10:44:40

202

Views

Modular equation with exponents on the exponents

Published on 21 Oct 2018 - 10:44

score 57 · Answer 11 · 2018-10-21 17:40:28

57

Views

Solve system of congruences which involves a quadratic term

Published on 21 Oct 2018 - 17:40

score 330 · Answer 12 · 2026-03-27 10:10:06

330

Views

Nicer proof that $2^{n+2}$ divides $3^m-1$ if and only if $2^{n}$ divides $m$

Published on 27 Mar 2026 - 10:10

score 179 · Answer 13 · 2018-10-22 06:26:52

179

Views

How to solve the following congruence's equation system?

Published on 22 Oct 2018 - 6:26

score 94 · Answer 14 · 2018-10-22 13:09:37

94

Views

Solve for $C$ when $C>2018$:

Published on 22 Oct 2018 - 13:09

score 87 · Answer 15 · 2018-10-23 08:58:35

87

Views

Modulo operation on fractions

Published on 23 Oct 2018 - 8:58

List Question

For any primitive pythagorean triple $(a,b,c)$ either $a$ or $b$ must be a multiple of $3$

What is the order of $(\mathbb{Z}/p^n\Bbb{Z})^ \times$?

Infinitely many primes $p$ with $p^3\equiv5\mod6$

The maps $f_+$ and $f_-$ are well-defined.

Let $n ∈ ℤ⁺$ with $n > 1$. Prove: If $a ≡ 1$ (mod $n²$), then $a^n ≡ 1$ (mod $n³$)

Find the smallest value of $n$ such that $3n^3-2019$ is a multiple of 2016

Determining if an integer is a square in a finite field

Consider $m$ to be odd and prime. And $A = \{0, 1, 2, ..., 2m-1\}$ is the set of all remainders modulo $2m$.

Solve the Linear Congruence Equations.

Modular equation with exponents on the exponents

Solve system of congruences which involves a quadratic term

Nicer proof that $2^{n+2}$ divides $3^m-1$ if and only if $2^{n}$ divides $m$

How to solve the following congruence's equation system?

Solve for $C$ when $C>2018$:

Modulo operation on fractions

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