List questions from divisibility

Published on 26 Mar 2026 - 6:30

102

Views

$\gcd(a(X),\,a'(X))$ w.r.t. squarefree decomposition

Published on 26 Mar 2026 - 2:54

188

Views

Proof verification: If $gcd(n,9)=3$ then $gcd(n^2,9)=9$, $p∣n \implies p∣n^2$, $p∣n^2\implies p∣n$.

Published on 26 Mar 2026 - 8:23

523

Views

If a polynomial p(x) is divisible by (x-a)^n where nϵℕ and n≥2, then p(x) is divisible by (x-a)^(n-1)

Published on 05 Nov 2018 - 18:21

86

Views

What is the remainder when $4^{10}+6^{10}$ is divided by $25$?

Published on 06 Nov 2018 - 1:27

50

Views

Find a content of $(1 + w)x^4 + ( -1 + 2w )x^3 + (1-2w )x^2 + 3x + (2 + 3w ) \in \mathbb{Z}[w][x]$

Published on 06 Nov 2018 - 10:56

784

Views

Prove if d | a, then d | ca for any integer c. Correction

Published on 07 Nov 2018 - 16:56

799

Views

General divisibility tests of form $\, 7\mid10b+a\!\iff\! 7\mid b-2a\!\iff\! 7\mid b+5a$.

Published on 07 Nov 2018 - 17:51

3.2k

Views

If (a, b) = d, then (a/d, b/d) = 1

Published on 08 Nov 2018 - 4:15

198

Views

Finding the HCF

Published on 26 Mar 2026 - 8:14

102

Views

When do Co-Primes have a common factor?

Published on 26 Mar 2026 - 8:14

88

Views

Find a remainder when dividing some number $n\in \mathbb N$ with 30

Published on 10 Nov 2018 - 9:00

59

Views

Non-Chen primes dividing $3^k+3$ and $2^k-3$

Published on 10 Nov 2018 - 12:37

55

Views

$\{ \frac{n}{2^k} = x \}$ , A simple Question that's bothering me.

Published on 10 Nov 2018 - 14:56

38

Views

simple question on division

Published on 10 Nov 2018 - 15:00

List Question

Prove if $n\mid ab$, then $n\mid [\gcd(a,n) \times \gcd(b,n)]$

$\gcd(a(X),\,a'(X))$ w.r.t. squarefree decomposition

Proof verification: If $gcd(n,9)=3$ then $gcd(n^2,9)=9$, $p∣n \implies p∣n^2$, $p∣n^2\implies p∣n$.

If a polynomial p(x) is divisible by (x-a)^n where nϵℕ and n≥2, then p(x) is divisible by (x-a)^(n-1)

What is the remainder when $4^{10}+6^{10}$ is divided by $25$?

Find a content of $(1 + w)x^4 + ( -1 + 2w )x^3 + (1-2w )x^2 + 3x + (2 + 3w ) \in \mathbb{Z}[w][x]$

Prove if d | a, then d | ca for any integer c. Correction

General divisibility tests of form $\, 7\mid10b+a\!\iff\! 7\mid b-2a\!\iff\! 7\mid b+5a$.

If (a, b) = d, then (a/d, b/d) = 1

Finding the HCF

When do Co-Primes have a common factor?

Find a remainder when dividing some number $n\in \mathbb N$ with 30

Non-Chen primes dividing $3^k+3$ and $2^k-3$

$\{ \frac{n}{2^k} = x \}$ , A simple Question that's bothering me.

simple question on division

Trending Questions

Popular # Hahtags

Popular Questions