21, 81, 40 Common Factors Calculator

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Common Factors of 21,81,40 are 1

Let's find The Greatest Common Factor:

The Greatest common factor is the GCF of 21,81,40.
So the Greatest Common Factor of 21,81,40 is 1.

We can also find LCM of 21,81,40.

Here are some samples of Common Factors of Numbers calculations.

• Common Factors of 52, 19, 62
• Common Factors of 82, 42, 86
• Common Factors of 64, 77, 93
• Common Factors of 25, 72, 87
• Common Factors of 13, 95, 71

1. What are the Common Factors of 21, 81, 40?

Common Factors of 21, 81, 40 is 1.

2. How to use Calculator to find Common Factors of 21, 81, 40?

Simply provide the inputs 21, 81, 40 in the input fields and click on the calculate button to get the Common Factors.

3. How to find Common Factors of 21, 81, 40?

List out the Factors of 21, 81, 40 and check for the common numbers among the factors obtained.