Factors of 12, 21 and 42

Here we will list all the Factors of 12, 21 and 42.

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.

Factors of 42
The Factors of 42 are the numbers that you can evenly divide into 42. Thus, the Factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42.

Do you want to know the Factors of 12, 21 and 42 because you want to know the greatest factor they have in common?

If so, you compare the list of Factors of 12, 21 and 42 to find the largest number they have in common.

As you can see from the lists above, the Greatest Common Factor (GCF) of 12, 21 and 42 is 3.

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Factors of 12, 21 and 43
Here are the factors of the next three numbers that we compared.