List questions from modular-arithmetic

Published on 12 Apr 2026 - 19:51

173

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Remainder when $\prod_{n=1}^{100}(1- n^{2} +n^{4})$ is divided by $101$

Published on 17 Apr 2026 - 10:25

35

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How many people does the camp hold?

Published on 09 Apr 2026 - 22:48

47

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Is there a property relating gcd(a, b) % c and gcd(a %c, b%c) % c. Here all a,b,c are natural numbers i.e.>0 and '%' represents modulo operator.

Published on 25 Mar 2026 - 6:04

174

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Reference for theorem similar to Chinese remainder theorem

Published on 16 Apr 2026 - 1:40

340

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Solving system of modulo inequalities?

Published on 24 Apr 2026 - 19:17

454

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Solving a multiple variable system of congruences using the Chinese Remainder theorem

Published on 10 Apr 2026 - 4:12

47

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Modulus and Congruences, odd example.

Published on 25 Mar 2026 - 9:12

34

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Deducing an equation after changing variables

Published on 25 Mar 2026 - 11:08

32

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Determination of the value of $n$ in $\mathbb{Z}_n$ subject to $x+y=2$ and $2x-3y=3$

Published on 14 Apr 2026 - 20:32

99

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Units in $A = \mathbb{Z}_3[x]/(x^2+1)$

Published on 16 Apr 2026 - 20:13

94

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Number Theory: Modular Arithmetic

Published on 11 Apr 2026 - 18:33

70

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N.T. Solving $x^g = a \pmod{p}$

Published on 16 Apr 2026 - 0:01

44

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Find all the possible $a,b$ in $a * b \equiv c \pmod{x}$

Published on 16 Apr 2026 - 15:54

2.9k

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Proving that among any $2n - 1$ integers, there's always a subset of $n$ which sum to a multiple of $n$

Published on 11 Apr 2026 - 19:57

List Question

Write down all subgroups of $\frac{\mathbb{Z}}{12 \mathbb{Z}}$

Remainder when $\prod_{n=1}^{100}(1- n^{2} +n^{4})$ is divided by $101$

How many people does the camp hold?

Is there a property relating gcd(a, b) % c and gcd(a %c, b%c) % c. Here all a,b,c are natural numbers i.e.>0 and '%' represents modulo operator.

Reference for theorem similar to Chinese remainder theorem

Solving system of modulo inequalities?

Solving a multiple variable system of congruences using the Chinese Remainder theorem

Modulus and Congruences, odd example.

Deducing an equation after changing variables

Determination of the value of $n$ in $\mathbb{Z}_n$ subject to $x+y=2$ and $2x-3y=3$

Units in $A = \mathbb{Z}_3[x]/(x^2+1)$

Number Theory: Modular Arithmetic

N.T. Solving $x^g = a \pmod{p}$

Find all the possible $a,b$ in $a * b \equiv c \pmod{x}$

Proving that among any $2n - 1$ integers, there's always a subset of $n$ which sum to a multiple of $n$

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