Mathematics for IGCSE & O level - Number (Section 1 - No. 40)

What is the prime factorization of 72?

2 x 3 x 4

2^3 x 3

2^3 x 3^2

4 x 9

The prime factorization of 72 is 2 x 2 x 2 x 3 x 3, which can be written as 2^3 x 3^2.