How do you do the prime factorization for 180?

Answer 1

Divide prime numbers into it until all the factors are prime. A factor tree can help you visualize this.

18 Divide by two.
9,2 Divide by three.
3,3,2 Stop.

2 x 3 x 3 is the prime factorization of 18.

Answer 2

18

9,2

3,3,2

2 x 3 x 3 = 18

Answer 3

Try a factor tree.

180

90,2

45,2,2

15,3,2,2

5,3,3,2,2

2 x 2 x 3 x 3 x 5 = 180

Answer 4

18 = 21 x 32