A prime number is a number with only two factors: one and itself. How about a composite number?

A. A composite number is a number with one factor.

B. A composite number is a number with no factor at all.

C. A composite number is a number with only two factors.

D. A composite number is a number with more than two factors.

• The answer is letter D. "A composite number is a number with more than two factors.