What is the factor tree for 450?

Answer 1

To make a factor tree, choose a factor pair for that number. Then, find a factor pair for each of the numbers that is not prime.

450
9 x 50
3x3 5x10
_ _ _ 2 x 5

The prime factorization of 450 is 3 x 3 x 5 x 2 x 5, which is 2 x 3 x 3 x 5 x 5 when reordered in numerical order.