50
25,2
5,5,2
prime factors
The prime factorization.
Their at the bottom of the tree because the hole point of a factor tree is to find the prime factorization of the number, so it would be at the bottom of the tree.
13 is already prime, no tree required.
Use a factor tree. 55 5,11
1,270,2,135
factor tree
With a factor tree, yes.
If completed correctly, the bottom branch of a factor tree will be the prime factorization of the number at the top.
83 is prime. No tree.
2x2x222
A factor tree