Question

What is the GCF of 120, 36

Answer 1

The GCF of 120 and 36 is 12

Answer 2

12 is the great common factor in this problem.

Find the prime factorization of 120

120 = 2 × 2 × 2 × 3 × 5

Find the prime factorization of 36

36 = 2 × 2 × 3 × 3

To find the gcf, multiply all the prime factors common to both numbers:

Therefore, GCF = 2 × 2 × 3

GCF = 12