Question

What is the GCF of 20, 36, and 76? show how you came up with your answer

Answer 1

4

Explanation:

First, list up all factors of 20, 36, and 76. Then find the greatest factor that is common in the three lists.

20: 1, 2, 4, 5, 10, 20

36: 1, 2, 3, 4, 6, 9, 12, 18, 36

76: 1, 2, 4, 19, 38, 76