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, 90, 67, 81 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 21,90,67,81
To find the common factors of 21,90,67,81 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 90
The factors of 90 are :
1,2,3,5,6,9,10,15,18,30,45,90
Factors of 67
The factors of 67 are :
1,67
Factors of 81
The factors of 81 are :
1,3,9,27,81
Common Factors of 21,90,67,81 are 1
The Greatest Common Factor of 21,90,67,81 is 1.
Here are some samples of Common Factors of Numbers calculations.
1. What are the common factors of 21, 90, 67, 81?
The common factors of 21, 90, 67, 81 are 1.