Prime Factorization of 640

Prime Factorization by the Ladder Method:
640 is divisible by 2, 640/2 = 320
320 is divisible by 2, 320/2 = 160
160 is divisible by 2, 160/2 = 80
80 is divisible by 2, 80/2 = 40
40 is divisible by 2, 40/2 = 20
20 is divisible by 2, 20/2 = 10
10 is divisible by 2, 10/2 = 5
5 is a prime number
Prime Factorization of 640: 640 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 5
Prime Factorization of 640 in Exponential Form: 640 = 27 x 5

The solution above and other related solutions were provided by the Prime Factorization Application.