List questions from modular-arithmetic

Published on 28 Mar 2026 - 2:48

172

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Symmetric continued fractions property where $q^2\equiv(-1)^n$ mod $p$

Published on 25 Mar 2026 - 11:03

127

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Prove $ n \equiv s(n)\ ($mod$\ 3)$ using the fact that $\ [10^n] = [1]$.

Published on 08 Dec 2018 - 18:48

28

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Modulo Arithmetic equations

Published on 08 Dec 2018 - 21:42

68

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Congruence involving CRT

Published on 25 Mar 2026 - 14:02

73

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How to: $f(x)$ congruent to $a \pmod{b^n}$

Published on 27 Mar 2026 - 16:25

1.3k

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$\text{SL}_2(\mathbb Z)$ acts on upper plane $\mathbb H$. What kind of points have non-trivial stabilizer? And how many orbits are there?

Published on 25 Mar 2026 - 6:07

37

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Prove $4|n$ if and only if $4|(10a_1+a_0)$

Published on 09 Dec 2018 - 20:45

73

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How to solve this modular congruence?

Published on 10 Dec 2018 - 1:07

140

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Multiplication and modulo - Order of operations

Published on 10 Dec 2018 - 7:10

519

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Solve linear congruence for $x$ : $34x ≡ 51( \text{mod}\; 85)$

Published on 10 Dec 2018 - 10:24

160

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Prime sequence.

Published on 10 Dec 2018 - 16:06

98

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Image of an integer polynomial in the integers mod 7

Published on 10 Dec 2018 - 18:50

39

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Solving $472x ≡ 32 \;(\text{mod } 92)$: How to solve when $a$ is greater than $m$

Published on 10 Dec 2018 - 20:39

161

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Question about a kind of generalized Fermat numbers

Published on 23 Feb 2026 - 1:20

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Arriving at odd possible solutions for functions

Symmetric continued fractions property where $q^2\equiv(-1)^n$ mod $p$

Prove $ n \equiv s(n)\ ($mod$\ 3)$ using the fact that $\ [10^n] = [1]$.

Modulo Arithmetic equations

Congruence involving CRT

How to: $f(x)$ congruent to $a \pmod{b^n}$

$\text{SL}_2(\mathbb Z)$ acts on upper plane $\mathbb H$. What kind of points have non-trivial stabilizer? And how many orbits are there?

Prove $4|n$ if and only if $4|(10a_1+a_0)$

How to solve this modular congruence?

Multiplication and modulo - Order of operations

Solve linear congruence for $x$ : $34x ≡ 51( \text{mod}\; 85)$

Prime sequence.

Image of an integer polynomial in the integers mod 7

Solving $472x ≡ 32 \;(\text{mod } 92)$: How to solve when $a$ is greater than $m$

Question about a kind of generalized Fermat numbers

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