Question

Prove that the factorization of $x^n-1$ contains only 2 factors if and only if $n$ is prime

score 800 · Answer 1 · 2026-03-25 04:42:42

800

Views

Prove that the factorization of $x^n-1$ contains only 2 factors if and only if $n$ is prime

Published on 25 Mar 2026 - 4:42

score 226 · Answer 2 · 2018-04-04 12:11:37

226

Views

Wieferich primes in base $47$

Published on 04 Apr 2018 - 12:11

score 116 · Answer 3 · 2026-03-24 23:58:31

116

Views

Sum of a geometric series over natural density zero indices

Published on 24 Mar 2026 - 23:58

score 213 · Answer 4 · 2018-04-04 12:57:55

213

Views

Where can I validate $300\ 000$ digit prime number is valid one?

Published on 04 Apr 2018 - 12:57

score 234 · Answer 5 · 2026-03-25 22:04:08

234

Views

No canonical non-quadratic residue for primes $\equiv 1 \bmod 8$?

Published on 25 Mar 2026 - 22:04

score 50 · Answer 6 · 2018-04-04 18:09:41

50

Views

prime gaps 4n+1 or 4n+3

Published on 04 Apr 2018 - 18:09

score 355 · Answer 7 · 2018-04-04 18:11:07

355

Views

prove that the product of primes in a given interval is less than or equal to binom

Published on 04 Apr 2018 - 18:11

score 205 · Answer 8 · 2026-03-25 04:40:16

205

Views

On variations of Erdős squarefree conjecture: a conjecture involving the prime-counting function

Published on 25 Mar 2026 - 4:40

score 54 · Answer 9 · 2018-04-04 23:35:46

54

Views

These sequences must somewhere stop (in the sense of primality) , right?

Published on 04 Apr 2018 - 23:35

score 42 · Answer 10 · 2026-03-27 10:35:58

42

Views

Solving the following congruence

Published on 27 Mar 2026 - 10:35

score 70 · Answer 11 · 2018-04-05 10:15:07

70

Views

What is the correlation between $n$ and $n$-th prime?

Published on 05 Apr 2018 - 10:15

score 96 · Answer 12 · 2018-04-05 13:59:03

96

Views

Primality testing

Published on 05 Apr 2018 - 13:59

score 151 · Answer 13 · 2018-04-05 17:55:16

151

Views

Show that for $n!/2 - p$, $p$ is the least prime factor if $n > p$

Published on 05 Apr 2018 - 17:55

score 328 · Answer 14 · 2026-03-25 19:17:39

328

Views

Legendre polynomials and primality testing

Published on 25 Mar 2026 - 19:17

score 282 · Answer 15 · 2026-02-23 07:41:59

282

Views

Are there any counterexamples to a generalized Goldbach conjecture?

Published on 23 Feb 2026 - 7:41

List Question

Prove that the factorization of $x^n-1$ contains only 2 factors if and only if $n$ is prime

Wieferich primes in base $47$

Sum of a geometric series over natural density zero indices

Where can I validate $300\ 000$ digit prime number is valid one?

No canonical non-quadratic residue for primes $\equiv 1 \bmod 8$?

prime gaps 4n+1 or 4n+3

prove that the product of primes in a given interval is less than or equal to binom

On variations of Erdős squarefree conjecture: a conjecture involving the prime-counting function

These sequences must somewhere stop (in the sense of primality) , right?

Solving the following congruence

What is the correlation between $n$ and $n$-th prime?

Primality testing

Show that for $n!/2 - p$, $p$ is the least prime factor if $n > p$

Legendre polynomials and primality testing

Are there any counterexamples to a generalized Goldbach conjecture?

Trending Questions

Popular # Hahtags

Popular Questions