## Greatest Common Factor

Different from just a factor calculator, this calculator will find the Great Common Factor (GCF) between 2 or 3 numbers. Basically, it calculates the biggest common multiple of the numbers you entered.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.