New posts in Divisibility

How to prove that a hexagon is the regular polygon with the most sides that can tile a plane

Does every number divide some $n^2+1$?

Divisibility by n for 3- digit number

A polynomial divisible by primes of special form

The difference between the HCF and LCM of $x$ and $18$ is $120$. Find $x$.

$4q=a^2+27b^2$ elementary proof of uniqueness

Number theory proof mod p

Prove that the prime $p$ can only be $13$

If $2^{2k}-x^2\bigm|2^{2k}-1$ then $x=1$

On finding triplets that satisfy a certain GCD and LCM property.