2x2x3x5 or 22x3x5
60 30,2 15,2,2 5,3,2,2
60 30,2 15,2,2 5,3,2,2
No, 3x5x4 is not a prime factorization of 60. A prime factorization of 60 would consist of only prime numbers. The prime factorization of 60 is 2x2x3x5.
1997 is already prime; no tree.
51 3,17
350=2x5x5x7
33 11,3
a prime factorization tree
50 25,2 5,5,2
97 is already prime; no tree.
131 is already prime. No tree.
The prime factorization of 60 is: 2 x 2 x 3 x 5.