List questions from modular-arithmetic

Published on 23 Apr 2026 - 15:02

348

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An Algorithm For Finding Modular Square Roots

Published on 08 Apr 2026 - 20:37

83

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Multiplicative groups modulo $p$, $p$ prime, with orders other than $p^n-1$

Published on 15 Apr 2026 - 15:35

115

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Unable to explain flow of steps in this basic modular expression?

Published on 10 Apr 2026 - 1:23

39

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Using Mods to show something is divisible by 3

Published on 11 Apr 2026 - 2:18

30

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Reasoning with congruences: does a positive integer $x$ exist with the following properties?

Published on 14 Apr 2026 - 13:54

573

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Prove that for k, the number of elements with prime order p, k = -1 (mod p)

Published on 16 Apr 2026 - 5:36

36

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Why does this expression for finding maximum of 2 positive integers work, being not symmetric with respect to variables interchange?

Published on 13 Apr 2026 - 1:36

57

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Proposed proof for:$b! \equiv 0 \pmod a$ $\Rightarrow$ $a \le b$

Published on 13 Apr 2026 - 1:09

37

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Understanding modular operations

Published on 07 Apr 2026 - 21:38

24

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How to solve such a set of congruency?

Published on 12 Apr 2026 - 23:25

182

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Proof of "equations cannot have an integral solutions" using modular arithmetic.

Published on 10 Apr 2026 - 8:43

440

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$n \equiv 5$ (mod $6$) has a prime factor $p$ of $n$ such that $p \equiv 5$ (mod $6$)

Published on 24 Apr 2026 - 3:38

89

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Statement regarding Goldbach's Conjecture?

Published on 25 Mar 2026 - 12:52

88

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Condition for the congruence class to form a subgroup of $\mathbb{Z}/n\mathbb{Z}$

Published on 11 Apr 2026 - 16:32

List Question

Proof that units mod $n$ are closed

An Algorithm For Finding Modular Square Roots

Multiplicative groups modulo $p$, $p$ prime, with orders other than $p^n-1$

Unable to explain flow of steps in this basic modular expression?

Using Mods to show something is divisible by 3

Reasoning with congruences: does a positive integer $x$ exist with the following properties?

Prove that for k, the number of elements with prime order p, k = -1 (mod p)

Why does this expression for finding maximum of 2 positive integers work, being not symmetric with respect to variables interchange?

Proposed proof for:$b! \equiv 0 \pmod a$ $\Rightarrow$ $a \le b$

Understanding modular operations

How to solve such a set of congruency?

Proof of "equations cannot have an integral solutions" using modular arithmetic.

$n \equiv 5$ (mod $6$) has a prime factor $p$ of $n$ such that $p \equiv 5$ (mod $6$)

Statement regarding Goldbach's Conjecture?

Condition for the congruence class to form a subgroup of $\mathbb{Z}/n\mathbb{Z}$

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