Question

What is the GCF for 84 and 90

Answer 1

GCF=6

Explanation:

In order to find the GCF of 84 and 90 you must find the prime factors of each term.

Answer 2

The GCF for 84 and 90 is 6.

Explanation:

The factors of 84 are: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84

The factors of 90 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90

Then the greatest common factor is 6.