Proper divisor

Revision as of 18:17, 16 April 2018 by Expilncalc (talk | contribs) (See Also)

A proper divisor of a positive integer $n$ is any divisor of $n$ other than $n$ itself. Thus, prime numbers have exactly one proper divisor, 1, and every other number has at least two proper divisors.

See Also

This article is a stub. Help us out by expanding it.

Invalid username
Login to AoPS