3 times 3 times 3 times 2 times 2 is the prime factorization of 108 because:
3 times 3 = 9, 9 times 3 = 27, 27 times 2 = 54, 54 times 2 = 108
108 54,2 27,2,2 9,3,2,2 3,3,3,2,2
a prime factorization tree
The prime factorization of 108 is 2^2 * 3^3.
612 306,2 153,2,2 51,3,2,2 17,3,3,2,2
96 48,2 24,2,2 12,2,2,2 6,2,2,2,2 3,2,2,2,2,2
108 54,2 27,2,2 9,3,2,2 3,3,3,2,2
1997 is already prime; no tree.
The prime factors are: 2,3
51 3,17
350=2x5x5x7
33 11,3
a prime factorization tree
22 x 33 = 108
50 25,2 5,5,2
The prime factorization of 108 is 2^2 * 3^3.
97 is already prime; no tree.
131 is already prime. No tree.