3 is already prime. No need for a tree.
The Prime Factorization of 225 is 3 X 3 X 5 X 5.You can find the tree in the related links section below.
141 = 3 x 47
3, 3, 3 and 3
Factorization: 3*3*5*5*7
2^3 * 7
Factorization: 2*3*3*3*23
3 * 3 * 5 * 11 = 495 495 165,3 55,3,3 11,5,3,3
As a product of its prime factors: 2*3*13 = 78
3^2*5*2^3
63 / × \ 7 × 9 / /\ 7 × 3×3
3 x 3 x 37 = 333