Gcf Calculator

Enter First Number:
Enter Second Number:
Greatest Common Factor (GCF):


GCF Calculator is a free online tool that displays the greatest common factor of two given numbers. BYJU’S online GCF calculator tool makes the calculation faster, and it displays the GCF in a fraction of seconds.

How to Use the GCF Calculator?

The procedure to use the GCF calculator is as follows:

Step 1: Enter two numbers in the respective input field

Step 2: Now click the button  “Calculate GCF” to get the result

Step 3: Finally, the greatest common factor (GCF) will be displayed in the output field

What is Meant by GCF?

In Mathematics, the Greatest Common Factor, abbreviated as GCF, is defined as the greatest number or the largest factor of two numbers. When the factors of two or more numbers are found, some numbers are found in common. The largest number of all those common factors is known as the greatest common factor (GCF). 

For example, the GCF of two numbers 4 and 6 can be found as follows:

Factors of 4: 1, 2, 4

Factors of 6: 1, 2, 3, 6

Here, 2 is the largest number found in both factors. Hence, the GCF of 4 and 6 is 2.

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