Greatest Common Factor

The greatest common facor can be defined as the largest factor in the group of factors that divides the number.

The steps in order to find the GCF.

1. List the prime factors of each number.
2. Multiply those factors that both numbers have in common. If there is no common prime factors then the GCF is 1.

This link will show you some more information about GCF's except in more detail. LINK

Some examples of GCF's can be found on this link. EXAMPLES

Here are some workouts that you can try to test your skills with GCF's. PROBLEMS

If you are still finding problems then watch this video.