What are the common factors of 3 and 4?

A factor is a divisor - a number that will evenly divide into another number.

One way to determine the common factors and greatest common factor is to find all the factors of the numbers and compare them.

The factors of 3 are 1 and 3.

The factors of 4 are 1, 2, and 4.

The only common factor is 1.