List questions from modular-arithmetic

Published on 25 Mar 2026 - 7:47

150

Views

Characterizations of the discrete logarithms for algebraic structures more general than groups

Published on 23 Mar 2026 - 1:11

74

Views

Confusion over modulus arithmetic

Published on 04 Apr 2018 - 16:25

739

Views

State True or False and explain. If 2a ≡ 4b mod 8, then a ≡ 2b mod 8

Published on 04 Apr 2018 - 23:15

54

Views

The process to reduce modular congruences?

Published on 05 Apr 2018 - 7:21

185

Views

Reducing modulo $15841$

Published on 21 Mar 2026 - 18:49

43

Views

modular arithmetic proof question

Published on 07 Apr 2018 - 16:26

363

Views

Take p an odd prime and $a$ an integer with order $d$ mod p, is it true that if $d$ is even, then $a^{\frac{d}{2}} \equiv -1\pmod p$

Published on 07 Apr 2018 - 19:59

169

Views

Suppose $p$ is $3\bmod 4$. Show $a$ and $-a$ cannot both be primitive roots $\bmod p$.

Published on 25 Mar 2026 - 4:25

581

Views

How many integers in the range satisfy a given congruence?

Published on 25 Mar 2026 - 10:54

546

Views

How to find the value of $x$ that satisfies $3x=4$ in $\mathbb Z/5\mathbb Z$?

Published on 08 Apr 2018 - 9:23

49

Views

Stuck For A Day Trying To Get Modulo Operator Right

Published on 08 Apr 2018 - 10:07

865

Views

Divisibility property for sequence $a_{n+2}=-2(n-1)(n+3)a_n-(2n+3)a_{n+1}$

Published on 08 Apr 2018 - 16:16

446

Views

Determine all primes $p > 5$ such that 10 is a quadratic residue mod p

Published on 25 Mar 2026 - 22:04

79

Views

Recurrence relation without modulo

Published on 08 Apr 2018 - 21:40

List Question

Solving the equation for x

Characterizations of the discrete logarithms for algebraic structures more general than groups

Confusion over modulus arithmetic

State True or False and explain. If 2a ≡ 4b mod 8, then a ≡ 2b mod 8

The process to reduce modular congruences?

Reducing modulo $15841$

modular arithmetic proof question

Take p an odd prime and $a$ an integer with order $d$ mod p, is it true that if $d$ is even, then $a^{\frac{d}{2}} \equiv -1\pmod p$

Suppose $p$ is $3\bmod 4$. Show $a$ and $-a$ cannot both be primitive roots $\bmod p$.

How many integers in the range satisfy a given congruence?

How to find the value of $x$ that satisfies $3x=4$ in $\mathbb Z/5\mathbb Z$?

Stuck For A Day Trying To Get Modulo Operator Right

Divisibility property for sequence $a_{n+2}=-2(n-1)(n+3)a_n-(2n+3)a_{n+1}$

Determine all primes $p > 5$ such that 10 is a quadratic residue mod p

Recurrence relation without modulo

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