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 18, 81, 72, 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
Given numbers are 18,81,72,90
To find the common factors of 18,81,72,90 we have to find the factors of every number and list the common in them.
Factors of 18
The factors of 18 are :
1,2,3,6,9,18
Factors of 81
The factors of 81 are :
1,3,9,27,81
Factors of 72
The factors of 72 are :
1,2,3,4,6,8,9,12,18,24,36,72
Factors of 90
The factors of 90 are :
1,2,3,5,6,9,10,15,18,30,45,90
Common Factors of 18,81,72,90 are 1,3,9
The Greatest Common Factor of 18,81,72,90 is 9.
Here are some samples of Common Factors of Numbers calculations.
1. What are the common factors of 18, 81, 72, 90?
The common factors of 18, 81, 72, 90 are 1,3,9.