Question

The GCF of an odd number and an even number is always even. True or false?

Answer 1

Hi! That is false. It depends on the even and odd number. For example, the GCF of 5 and 10 is 5. The GCF of 7 and 14 is 7. 5 and 7 are odd numbers, so the GCF of an even and odd number is not always even.