Question

Proof verification: Let $a,b\in \mathbb{Z}_{0}$. If there exists integers $r$ and $s$ such that $ar+bs=1$, show that $gcd(a,b)=1$.

score 758 · Answer 1 · 2026-03-20 06:49:59

758

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Proof verification: Let $a,b\in \mathbb{Z}_{0}$. If there exists integers $r$ and $s$ such that $ar+bs=1$, show that $gcd(a,b)=1$.

Published on 20 Mar 2026 - 6:49

score 468 · Answer 2 · 2026-03-22 08:41:38

468

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A congruence involving Chebyshev polynomials

Published on 22 Mar 2026 - 8:41

score 102 · Answer 3 · 2018-01-22 18:53:07

102

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prime prove: how to prove if $n! + n^2 + 1$ is prime then $n^2 + 1$ is also prime

Published on 22 Jan 2018 - 18:53

score 1.4k · Answer 4 · 2018-01-23 04:38:22

1.4k

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Prove that ℤ/nℤ is a field- prove closed under addition

Published on 23 Jan 2018 - 4:38

score 135 · Answer 5 · 2018-01-23 15:09:18

135

Views

Are there infinitely many primes of the form $n^2+n+1$?

Published on 23 Jan 2018 - 15:09

score 356 · Answer 6 · 2018-01-24 03:35:04

356

Views

distribution of prime powers

Published on 24 Jan 2018 - 3:35

score 780 · Answer 7 · 2026-03-23 01:42:04

780

Views

What is the most speed efficient primality test available

Published on 23 Mar 2026 - 1:42

score 134 · Answer 8 · 2026-03-22 13:14:51

134

Views

Prime counts with maximal prime spacing.

Published on 22 Mar 2026 - 13:14

score 136 · Answer 9 · 2026-03-20 08:45:58

136

Views

Looking for complex roots of unity which also happen to be complex primes

Published on 20 Mar 2026 - 8:45

score 1.6k · Answer 10 · 2026-03-23 19:23:29

1.6k

Views

What's the fastest growing function known to contain infinitely many primes?

Published on 23 Mar 2026 - 19:23

score 56 · Answer 11 · 2026-03-19 21:41:20

56

Views

How can I prove that all prime factors of $f(n,p)=(n+1)^p-n^p$ have form $2kp+1$ (if $p$ - odd prime)?

Published on 19 Mar 2026 - 21:41

score 46 · Answer 12 · 2018-01-25 15:42:34

46

Views

The formidable game of prime

Published on 25 Jan 2018 - 15:42

score 57 · Answer 13 · 2026-03-22 17:52:40

57

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towers of 2 and primes, generation s of big primes by iteration of the function $2^{x}$

Published on 22 Mar 2026 - 17:52

score 1k · Answer 14 · 2026-03-24 22:07:48

1k

Views

How can I prove that there is only one set of prime factors for a number?

Published on 24 Mar 2026 - 22:07

score 50 · Answer 15 · 2026-03-22 01:19:21

50

Views

DLP Relationship of primitive roots $\pmod{p}$ with $p$ and $g$

Published on 22 Mar 2026 - 1:19

List Question

Proof verification: Let $a,b\in \mathbb{Z}_{0}$. If there exists integers $r$ and $s$ such that $ar+bs=1$, show that $gcd(a,b)=1$.

A congruence involving Chebyshev polynomials

prime prove: how to prove if $n! + n^2 + 1$ is prime then $n^2 + 1$ is also prime

Prove that ℤ/nℤ is a field- prove closed under addition

Are there infinitely many primes of the form $n^2+n+1$?

distribution of prime powers

What is the most speed efficient primality test available

Prime counts with maximal prime spacing.

Looking for complex roots of unity which also happen to be complex primes

What's the fastest growing function known to contain infinitely many primes?

How can I prove that all prime factors of $f(n,p)=(n+1)^p-n^p$ have form $2kp+1$ (if $p$ - odd prime)?

The formidable game of prime

towers of 2 and primes, generation s of big primes by iteration of the function $2^{x}$

How can I prove that there is only one set of prime factors for a number?

DLP Relationship of primitive roots $\pmod{p}$ with $p$ and $g$

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