Question

What is the prime factorization for 180?

A. 4 • 5 • 9
B. 2^2 • 5 • 9
C. 2^2 • 3^2 • 5
D. 2 • 9 • 10

Answer 1

180
2 * 90
2 * 3 * 30
2 * 3 * 2 * 15
2 * 3 * 2 * 3 * 5
2^2 * 3^2 * 5 <===