39, 40, 42, 21 Common Factors Calculator
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 39, 40, 42, 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 39,40,42,21
Given numbers are 39,40,42,21
To find the common factors of 39,40,42,21 we have to find the factors of every number and list the common in them.
Factors of 39
The factors of 39 are :
1,3,13,39
Factors of 40
The factors of 40 are :
1,2,4,5,8,10,20,40
Factors of 42
The factors of 42 are :
1,2,3,6,7,14,21,42
Factors of 21
The factors of 21 are :
1,3,7,21
Common Factors of 39,40,42,21 are 1
The Greatest Common Factor of 39,40,42,21 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 39, 40, 42, 21?
The common factors of 39, 40, 42, 21 are 1.