How to use Calculator to find Common Factors of 20, 21, 90?

Simply provide the inputs 20, 21, 90 in the input fields and click on the calculate button to get the Common Factors.

How to find Common Factors of 20, 21, 90?

List out the Factors of 20, 21, 90 and check for the common numbers among the factors obtained.

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20, 21, 90 Common Factors Calculator

Q: What are the Common Factors of 20, 21, 90?

Common Factors of 20, 21, 90 is 1.

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 20, 21, 90 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 20,21,90

Given numbers are 20,21,90

To find the common factors of 20,21,90 we have to find the factors of every number and list the common in them.

Factors of 20

The factors of 20 are :

1,2,4,5,10,20

Factors of 21

The factors of 21 are :

1,3,7,21

Factors of 90

The factors of 90 are :

1,2,3,5,6,9,10,15,18,30,45,90

Common Factors of 20,21,90 are 1

The Greatest Common Factor of 20,21,90 is 1.

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 20, 21, 90?

The common factors of 20, 21, 90 are 1.