Prime Factorization by the Ladder Method:
644 is divisible by 2, 644/2 = 322
322 is divisible by 2, 322/2 = 161
161 is divisible by 7, 161/7 = 23
23 is a prime number
Prime Factorization of 644: 644 = 2 x 2 x 7 x 23
Prime Factorization of 644 in Exponential Form: 644 = 22 x 7 x 23
Prime Factorization of 644
The solution above and other related solutions were provided by the Prime Factorization Application.
