What is the greatest common factor of 12 and 8?

The greatest common factor (GCF) of two numbers is the largest number that divides both numbers evenly.

To find the GCF of 12 and 8, we need to list the factors of each number:

Factors of 12: 1, 2, 3, 4, 6, 12 Factors of 8: 1, 2, 4, 8

The common factors of 12 and 8 are 1, 2, and 4. The greatest common factor is 4.

Therefore, the greatest common factor of 12 and 8 is 4.