Question

What's the common Factors of {20, 48} ?

Answer 1

The factors of 20 are:
1, 2, 4, 5, 10, 20

The factors of 48 are:
1, 2, 3, 4, 6, 8, 12, 16, 24, 48

The common factors are:
1, 2, 4

The Greatest Common Factor:
GCF = 4

Answer 2

I hope this helps you