This free online greatest common factor tool will find the GCF of 2, 3, or 4 numbers at once **with the click of a button**.

Plus, in addition to displaying the GCF, the calculator will also display the GCF divisors and all factors for the numbers entered.

Also, if you would ever like to save some time when attempting to find the least common multiple (LCM) for up to 4 numbers, be sure to check out my Least Common Multiple Calculator.

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