145 5,29
55 5,11
470 Divide by two. 235,2 Divide by five. 47,5,2 Stop. All the factors are prime.
88 44,2 22,2,2 11,2,2,2
27 9,3 3,3,3
145 5,29
139 is already prime; no factorization required.
40 20,2 10,2,2 5,2,2,2
55 5,11
470 Divide by two. 235,2 Divide by five. 47,5,2 Stop. All the factors are prime.
The prime factorization.
25 5,5
The only name is factorization.
1997 is already prime; no tree.
3^2*5*2^3
2x2x222
51 3,17