Prime Factorization by the Ladder Method:
686 is divisible by 2, 686/2 = 343
343 is divisible by 7, 343/7 = 49
49 is divisible by 7, 49/7 = 7
7 is a prime number
Prime Factorization of 686: 686 = 2 x 7 x 7 x 7
Prime Factorization of 686 in Exponential Form: 686 = 2 x 73
Prime Factorization of 686
The solution above and other related solutions were provided by the Prime Factorization Application.
