125 = 53
53 is a prime number so there is no relevant prime factorization for it.
The prime factorization for 53 is: 1 x 53 .Exponents would only get in the way.
1997 is already prime; no tree.
53 is already prime, no factorization required.
2 x 43 = 86 53 is already prime. No factorization is required.
It is: 5*5*5 = 125 or as 53 = 125
19, 43 and 53 are already prime.
51 3,17
350=2x5x5x7
a prime factorization tree
33 11,3