Question

Seeking counterexample to the modulo $p$ reduction method in finding Galois group.

score 252 · Answer 1 · 2026-03-28 14:37:08

252

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Seeking counterexample to the modulo $p$ reduction method in finding Galois group.

Published on 28 Mar 2026 - 14:37

score 55 · Answer 2 · 2026-04-15 10:45:32

55

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How to prove $\mathbb{R}[x]/(x^2 + \pi x + 2)$ is a field?

Published on 15 Apr 2026 - 10:45

score 82 · Answer 3 · 2026-03-25 19:25:19

82

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Find the last digits of $a_{2009}$, and of $b_{2009}$.

Published on 25 Mar 2026 - 19:25

score 43 · Answer 4 · 2026-04-12 10:01:23

43

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Proving a multiplicative group module n is generated in a handy way

Published on 12 Apr 2026 - 10:01

score 117 · Answer 5 · 2026-04-13 20:08:02

117

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Prove that $\mathbb{Z}_m$ and $\mathbb{Z}_n$ have the same cardinality iff m=n

Published on 13 Apr 2026 - 20:08

score 91 · Answer 6 · 2026-04-11 05:54:53

91

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Converse of an equation of Modular Arithmetic

Published on 11 Apr 2026 - 5:54

score 219 · Answer 7 · 2026-04-16 11:58:39

219

Views

Find the equivalence class of the integers 8 when m = 6.

Published on 16 Apr 2026 - 11:58

score 108 · Answer 8 · 2026-03-25 09:19:38

108

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Let $K = \mathbb F_p[x]/f(x)$. Find all roots of $f(t)$ in $K$. ($p$ is prime and $f(x)$ is irreducible)

Published on 25 Mar 2026 - 9:19

score 40 · Answer 9 · 2026-04-17 04:15:12

Let $a, m ∈ Z$ with $m ≥ 2.$ Suppose that $\gcd(a, m) > 1.$ I need to show there does not exist any integer $b$ such that $ab \equiv 1 \pmod m.$

score 50 · Answer 10 · 2026-04-11 10:25:03

50

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How to find all possible integers for a given congruence?

Published on 11 Apr 2026 - 10:25

score 345 · Answer 11 · 2026-04-12 04:24:15

345

Views

How to perform a linear interpolation with modulo n between two points that doesn't alter it's direction?

Published on 12 Apr 2026 - 4:24

score 68 · Answer 12 · 2026-04-11 18:26:59

68

Views

Modular Arithmetic: Proofs

Published on 11 Apr 2026 - 18:26

score 232 · Answer 13 · 2026-04-14 18:26:11

232

Views

Quadratic Diophantine equation $x^2+6y^2-xy=47$ has no solutions.

Published on 14 Apr 2026 - 18:26

score 45 · Answer 14 · 2026-04-07 22:46:14

45

Views

relation between concatenation and addition regarding modular arithmetic

Published on 07 Apr 2026 - 22:46

score 105 · Answer 15 · 2026-04-13 20:20:14

105

Views

Question Regarding Number Theory(Congruence Modulo specifically).

Published on 13 Apr 2026 - 20:20

List Question

Seeking counterexample to the modulo $p$ reduction method in finding Galois group.

How to prove $\mathbb{R}[x]/(x^2 + \pi x + 2)$ is a field?

Find the last digits of $a_{2009}$, and of $b_{2009}$.

Proving a multiplicative group module n is generated in a handy way

Prove that $\mathbb{Z}_m$ and $\mathbb{Z}_n$ have the same cardinality iff m=n

Converse of an equation of Modular Arithmetic

Find the equivalence class of the integers 8 when m = 6.

Let $K = \mathbb F_p[x]/f(x)$. Find all roots of $f(t)$ in $K$. ($p$ is prime and $f(x)$ is irreducible)

Let $a, m ∈ Z$ with $m ≥ 2.$ Suppose that $\gcd(a, m) > 1.$ I need to show there does not exist any integer $b$ such that $ab \equiv 1 \pmod m.$

How to find all possible integers for a given congruence?

How to perform a linear interpolation with modulo n between two points that doesn't alter it's direction?

Modular Arithmetic: Proofs

Quadratic Diophantine equation $x^2+6y^2-xy=47$ has no solutions.

relation between concatenation and addition regarding modular arithmetic

Question Regarding Number Theory(Congruence Modulo specifically).

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