# Divisibility

**Topic duration:** 7 minutes

**Every integer is divisible by 1.**

x / 1 = x

**All even numbers are divisible by 2.**

“x is a factor of y” is equivalent to saying “y is a * multiple* of x”.

Factors are * positive *integers that divide evenly into an integer.

For GMAT, treat multiples as positive multiples.

## GMAT Integer Properties Divisibility - Practice