Common factors calculator

Enter any amount of comma-seperated numbers in the following box.
Enter problem to view work.

The common factors calculator to find the all common factors of the numbers you type in.

For example, To find the common factors of 12 and 8.

Factors of 12 are: 1, 2, 3, 4, 6, and 12.

Factors of 8 are: 1, 2, 4, and 8.

Common factors of 12 and 8 are: 1, 2, and 4.

1 is a factor of 12 because 1 × 12 = 12, 2 is a factor of 12 because 2 × 6 = 12, 3 is a factor of 12 because 3 × 4 = 12, 4 is a factor of 12 because 4 × 3 = 12, 6 is a factor of 12 because 6 × 2 = 12, 12 is a factor of 12 because 12 × 1 = 12.

Find the factors of 8: 1 is a factor of 8 because 1 × 8 = 8, 2 is a factor of 8 because 2 × 4 = 8, 4 is a factor of 8 because 4 × 2 = 8, 8 is a factor of 8 because 8 × 1 = 8.

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Common factors calculator