Answer:
15 is a composite number. 15 = 1 x 15 or 3 x 5. Factors of 15: 1, 3, 5, 15. Prime factorization: 15 = 3 x 5
Step-by-step explanation:
15= 3 x 5
15
/ /
5 x 3
3 and 5 both multiply together to make 15
