List questions from prime-factorization

Published on 22 Mar 2026 - 20:39

224

Views

Is there always a prime having only one prime above it?

Published on 17 Mar 2026 - 18:11

51

Views

Fast way to calculate $\lceil\sqrt{nk}\rceil$ given $\lceil\sqrt{n(k-1)}\rceil$

Published on 03 Feb 2018 - 21:09

182

Views

Relationship between the number of digits of a natural number and that of its factors

Published on 04 Feb 2018 - 18:18

114

Views

If 13 does not divide m, then prove that $m^4+8$ is not a cube of an integer

Published on 08 Feb 2018 - 19:22

80

Views

Can at most $3$ distinct primes divide $n^3-n$, for infinitely many $n$?

Published on 09 Feb 2018 - 3:47

214

Views

Counting by prime factors and "base prime" notation

Published on 17 Mar 2026 - 6:43

59

Views

Set of $K$-primes over $p$ bijective with double quotient

Published on 17 Mar 2026 - 16:02

271

Views

What about the equation $\sigma(2n)=2\left(n+\sigma(n)\right),$ involving the sum of divisor function?

Published on 19 Mar 2026 - 20:52

482

Views

Using factorization to solve modulo arithmetic involving big numbers.

Published on 22 Mar 2026 - 10:27

289

Views

Repeated prime factors

Published on 16 Mar 2026 - 21:14

141

Views

The Chinese hypothesis revisited

Published on 17 Mar 2026 - 0:25

59

Views

What are the primes of $\mathbb{Z}[\sqrt{-p}\colon \text{$p$ prime}]$?

Published on 18 Feb 2018 - 12:11

69

Views

Find all $x \in \mathbb Z_{360}$ such that $x^2 ≡ 0 \pmod{360}$

Published on 21 Feb 2018 - 2:56

76

Views

Arithmetics: Number of divisors of an positive integer, their sum and product

Published on 22 Mar 2026 - 12:23

List Question

Prime factors of $5 n^4 - 70 n^3 + 380 n^2 - 945 n + 911 $

Is there always a prime having only one prime above it?

Fast way to calculate $\lceil\sqrt{nk}\rceil$ given $\lceil\sqrt{n(k-1)}\rceil$

Relationship between the number of digits of a natural number and that of its factors

If 13 does not divide m, then prove that $m^4+8$ is not a cube of an integer

Can at most $3$ distinct primes divide $n^3-n$, for infinitely many $n$?

Counting by prime factors and "base prime" notation

Set of $K$-primes over $p$ bijective with double quotient

What about the equation $\sigma(2n)=2\left(n+\sigma(n)\right),$ involving the sum of divisor function?

Using factorization to solve modulo arithmetic involving big numbers.

Repeated prime factors

The Chinese hypothesis revisited

What are the primes of $\mathbb{Z}[\sqrt{-p}\colon \text{$p$ prime}]$?

Find all $x \in \mathbb Z_{360}$ such that $x^2 ≡ 0 \pmod{360}$

Arithmetics: Number of divisors of an positive integer, their sum and product

Trending Questions

Popular # Hahtags

Popular Questions