Which expression represents the greatest common factor (GCF) of 20 and 70?

10 is the correct answer

Step-by-step explanation:

The prime factorization of 20 is: 2 x 2 x 5

The prime factorization of 70 is: 2 x 5 x 7

The prime factors and multiplicities 20 and 70 have in common are: 2 x 5

2 x 5 is the gcf of 20 and 70

gcf(20,70) = 10

GCF of 20 and 70 is 10.

(Hope this helps can I pls have brainlist (crown) ☺️)