Respuesta :

I believe it is 4. Hope this helps.

Find the prime factorization of 120
120 = 2 × 2 × 2 × 3 × 5

Find the prime factorization of 68
68 = 2 × 2 × 17

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

Therefore, GCF = 2 × 2

GCF = 4