What is the GCF of 20 and 28 and how please show a full reason why

Question

asked Sep 5, 2021 89.6k views

1 Answer

Frieder Hannenheim · Answer 1 · 2021-09-09T19:43:46+0000

Answer:

GCF: 4

Explanation:

Factors of 20: 1,2,4,5,10,20.

Factors of 28: 1,2,4,7, 14, 28.

both have 4 as a factor and it is the greatest factor they have in common so it is the GCF.

GCF of 20 and 28: 4.