47

47,1
Since 47 is a Prime number, its only factors are one and itself. It's hardly worth drawing a tree.
235 5*47
2,675 2,5,125 2,5,5,25 2,5,5,5,5
60,2 30,2,2 15,2,2,2 5,3,2,2,2
120 60,2 30,2,2 15,2,2,2 5,3,2,2,2
72 36,2 18,2,2 9,2,2,2 3,3,2,2,2
47 is prime. No tree.
546 273,2 91,3,2 13,7,3,2
235 5*47
77 7,11
15 3,5
1,270,2,135
They are: 1 2 47 and 94
23 is a prime number. No prime factorization. No tree.
13 is already prime. It doesn't need a tree.
188 94,2 47,2,2
39 3,13
275 55,5 11,5,5