Factors of 12 and 21

Here we will list all the Factors of 12 and all the Factors of 21.

Factors of 12
The Factors of 12 are the numbers that you can evenly divide into 12. Thus, the Factors of 12 are 1, 2, 3, 4, 6, and 12.

Factors of 21
The Factors of 21 are the numbers that you can evenly divide into 21. Thus, the Factors of 21 are 1, 3, 7, and 21.

Do you want to know the Factors of 12 and 21 because you want to know the greatest factor they have in common?

If so, you compare the list of Factors of 12 with the list of Factors of 21 to find the largest number they have in common.

As you can see from the lists above, the greatest common factor of 12 and 21 is 3.

Two Factors Calculator
Get the factors for another two numbers here.

Factors of 12 and 22
Here are the factors of the next two numbers that we compared.