GCF / LCM Calculator
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Greatest Common Factor Calculator

Our Greatest Common Factor calculator is a simple and easy to use tool that allows you to calculate the GCF (Greatest Common Factor), also known as HCF (Highest Common Factor), of two or more numbers.

The Greatest Common Factor is the largest number that can divide two or more numbers, without leaving a remainder.

Please type two or more integer numbers and hit the calculate button to find the Greatest Common Factor of the numbers.

Greatest Common Factor Examples

GCF of 8 and 12

GCF of 18 and 24

GCF of 12 and 18

GCF of 16 and 24

GCF of 24 and 36

GCF of 36 and 48

GCF of 30 and 45

GCF of 12 and 20

GCF of 24 and 32

GCF of 15 and 20

GCF of 14 and 21

GCF of 12 and 16

GCF of 12 and 24

GCF of 9 and 15

GCF of 18 and 36

GCF of 6 and 15

GCF of 24 and 40

GCF of 24 and 30

GCF of 18 and 30

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