How to use Calculator to find Common Factors of 21, 870, 420?

Simply provide the inputs 21, 870, 420 in the input fields and click on the calculate button to get the Common Factors.

How to find Common Factors of 21, 870, 420?

List out the Factors of 21, 870, 420 and check for the common numbers among the factors obtained.

21, 870, 420 Common Factors Calculator

Q: What are the Common Factors of 21, 870, 420?

Common Factors of 21, 870, 420 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 21, 870, 420 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 21,870,420

Given numbers are 21,870,420

To find the common factors of 21,870,420 we have to find the factors of every number and list the common in them.

Factors of 21

The factors of 21 are :

1,3,7,21

Factors of 870

The factors of 870 are :

1,2,3,5,6,10,15,29,30,58,87,145,174,290,435,870

Factors of 420

The factors of 420 are :

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Common Factors of 21,870,420 are 1,3

The Greatest Common Factor of 21,870,420 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 21, 870, 420?

The common factors of 21, 870, 420 are 1,3.