5,100
5,2,50
5,2,2,25
5,5,5,2,2
500 250,2 125,2,2 25,5,2,2 5,5,5,2,2
77 7,11
15 3,5
1,270,2,135
500 250,2 125,2,2 25,5,2,2 5,5,5,2,2
23 is a prime number. No prime factorization. No tree.
13 is already prime. It doesn't need a tree.
275 55,5 11,5,5
188 94,2 47,2,2
75 25,3 5,5,3
39 3,13
As a product of its prime factors in exponents: 22*53 = 500