Question

Rization

Vhat is the prime factorization of 180?
Select a composite number to break into factors. Continue
factoring until all factors are prime.
22•2•3•3.5
2.2.45
2.3.3.5
480
2.9.5

Answer 1

5 3 3 2 2

Explanation:

180

90 2

45 2 2

15 3 2 2

5 3 3 2 2

Answer 2

180 = 5 × 3² × 2²

Explanation:

Starting with 180, the prime factors are in bold

180 = 90 × 2

= 45 × 2 × 2

= 15 × 3 × 2 × 2

= 5 × 3 × 3 × 2 × 2

Then

180 = 5 × 3 × 3 × 2 × 2 = 5 × 3² × 2²