The common factors are 1, 2, 4, and 8. The largest factor for both numbers have in common is 8, so GCF(16,24) = 8.

What is the GCF of8?

GCF of 8 and 12 by Prime Factorization

Prime factorization of 8 and 12 is (2 × 2 × 2) and (2 × 2 × 3) respectively. ... Hence, the GCF of 8 and 12 is 2 × 2 = 4.

Which of the following pairs of numbers has the GCF of 8?

The largest factor for both numbers have in common is 8, so GCF(16,24) = 8. The factors for 7 are 1 and 7.