WAEC - Mathematics (2001 - No. 1)

Which of the following correctly expresses 48 as a product of prime factors?

3 x 4 x 4

2 x 3 x 8

2 x 2 x 2 x 3 x 4

2 x 2 x 2 x 2 x 3

48 = 2 x 2 x 2 x 2 x 3