What is the gcf. of 18 30 60?

Answer 1

The factors of 18 are:

1, 2, 3, 6, 9, 18

The factors of 30 are:

1, 2, 3, 5, 6, 10, 15, 30

The factors of 60 are:

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60

The common factors are:

1, 2, 3, 6

The Greatest Common Factor (GCF) is:

6

Answer 2

The GCF is 6.