Question

Find all factors of 18. Then, write the prime factorization of 18 and of all its factors.

Answer 1

2 × 3²

Explanation:

18 = 1,2,3,6,9,18

Prime factorisation = 18 ⇒ 2 and 9 ⇔ 3 and 3 so 2 × 3²