Question

Angel and Trevor were working on a math problem. It was asking what the "greatest common factor" of 30 and 18. They decided that they would write out the factors for each, then look for the largest number they have in common. So, help them out and show how they could find the answer.

Answer 1

6

Explanation:

Prime factorize 30: 2*3*5

Prime factorize 18: 2*3^2

The similarities are 2^1 and 3^1, and 2*3 is 6.