# Greatest Common Factor (GCF) Calculator

LCM calculator ►

## GCF example

Find GCF for numbers 8 and 12:

The prime factors of 8 are:

8 = 2×2×2

The prime factors of 12 are:

12 = 2×2×3

So the common prime factors of 8 and 12 are:

gcf(8,12) = 2×2 = 4

So 8/12 fraction, can be reduced to 2/3:

8 / 12 = (8/4) / (12/4) = 2 / 3

## Features of Greatest Common Factor Calculator

Our Greatest Common Factor Calculator allows the users to Calculate Greatest Common Factor. Some of the prominent features of this utility are explained below.

#### No Registration

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##### Accuracy

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You don't need to go through any registration process to use this Greatest Common Factor Calculator. You can use this utility for free and do unlimited Greatest Common Factor Calculate without any limitations.