An integer that can be divided by at least one other integer besides itself and 1 without leaving a remainder. 24 is a composite number since it can be divided by 2, 3, 4, 6, 8, and 12. No prime numbers are composite numbers.
An integer exactly divisible by at least one positive integer other than itself or 1.
An integer that can be evenly divided by some whole number other than itself or 1