A ______ number has only two factors; one and itself.

Select all numbers that are prime.

A ________ number has more than two factors.

Select all numbers that are composite.

{1,2,3,4,6,8,12,24} are all ______ of 24.

Select a factor pair for 72.

Select all of the factor pairs listed for 60.

What is the greatest common factor (GCF) of 12 and 16?

What is the greatest common factor (GCF) of 28 and 56?

8,16,24,32,40,48,... are all ______ of 8.