![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
A prime number has exactly two whole number factors, 1 and itself.
\A composite number has more than two whole number factors.
\Express the number 16 as a product of its factors.
\Write the factors of 16. \ \
\16 = 1 × 16.
\16 = 2 × 8.
\16 = 4 × 4.
\Factors of 16 are 1, 2, 4, 8 and 16.
\Since 16 has more than two factors, it is composite.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The number 16 is a composite number.