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 72, 27, 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
Given numbers are 72,27,21
To find the common factors of 72,27,21 we have to find the factors of every number and list the common in them.
Factors of 72
The factors of 72 are :
1,2,3,4,6,8,9,12,18,24,36,72
Factors of 27
The factors of 27 are :
1,3,9,27
Factors of 21
The factors of 21 are :
1,3,7,21
Common Factors of 72,27,21 are 1,3
The Greatest Common Factor of 72,27,21 is 3.
Here are some samples of Common Factors of Numbers calculations.
1. What are the common factors of 72, 27, 21?
The common factors of 72, 27, 21 are 1,3.