Fermat's Little Theorem/Corollary 1

Corollary to Fermat's Little Theorem
If $p$ is a prime number, then $n^p \equiv n \pmod p$.

Also known as
Some sources call this Fermat's Little Theorem, and from it derive that theorem as a corollary.

Also reported as
This result can also be reported as:
 * If $p$ is a prime number, then $n^p - n$ is divisible by $p$.