## Greatest Common Factor

You can start by entering the first number on the first box then the second then the third. Finally will will click on the Find GCF button to find the answer. However, if you wish to find the GCF between the first two numbers you can leave the third box empty.

For example: If you enter 18 on the first box and 27 on the second box and leave the third box empty

The answer will be: 9.

*If you only want to do two numbers, leave the Third Box empty.*