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57, 28, 21 Common Factors Calculator

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 57, 28, 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

Common Factors of 57,28,21

Given numbers are 57,28,21

To find the common factors of 57,28,21 we have to find the factors of every number and list the common in them.

Factors of 57

The factors of 57 are :

1,3,19,57

Factors of 28

The factors of 28 are :

1,2,4,7,14,28

Factors of 21

The factors of 21 are :

1,3,7,21


Common Factors of 57,28,21 are 1

The Greatest Common Factor of 57,28,21 is 1.

Common Factors of Numbers Calculation Examples

FAQs on Common Factors

1. What are the common factors of 57, 28, 21?

The common factors of 57, 28, 21 are 1.