![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
Express the number as a product of its factors.
\The factors of 99:
\99 = 1 × 99.
\99 = 3 × 33.
\99 = 9 × 11.
\Factors of 99 are 1, 3, 9, 11, 33 and 99. Since the number has more than two factors, it is a composite number.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The number 99 is a composite number.