Question

What is the GCF of 42 and 90?

Answer 1

6

Explanation:

Factors of 42: `1*42, 2* 21, 3*14, color(red)6*7.`

Factors of 90: `1* 90, 2* 45, 3* 30, 5* 18, color(red)6*15, 9*10.`