How to use Calculator to find Common Factors of 945, 639, 21?

Simply provide the inputs 945, 639, 21 in the input fields and click on the calculate button to get the Common Factors.

How to find Common Factors of 945, 639, 21?

List out the Factors of 945, 639, 21 and check for the common numbers among the factors obtained.

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945, 639, 21 Common Factors Calculator

Q: What are the Common Factors of 945, 639, 21?

Common Factors of 945, 639, 21 is 1,3.

Created By : Prasanna
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023

A whole number which is a factor of two or more numbers is referred to as a common factor. To find the Common Factors of 945, 639, 21 we can either Common Factors Calculator or follow the below provided steps.

Ex: 10, 15, 20 (or) 24, 48, 96,45 (or) 78902, 89765, 12345

Common Factors of 945,639,21

Given numbers are 945,639,21

To find the common factors of 945,639,21 we have to find the factors of every number and list the common in them.

Factors of 945

The factors of 945 are :

1,3,5,7,9,15,21,27,35,45,63,105,135,189,315,945

Factors of 639

The factors of 639 are :

1,3,9,71,213,639

Factors of 21

The factors of 21 are :

1,3,7,21

Common Factors of 945,639,21 are 1,3

The Greatest Common Factor of 945,639,21 is 3.

Common Factors of Numbers Calculation Examples

Here are some samples of Common Factors of Numbers calculations.

FAQs on Common Factors

1. What are the common factors of 945, 639, 21?

The common factors of 945, 639, 21 are 1,3.