What is the greatest common factor of 20 and 8
The greatest common factor of 20 and 8 is 4.
To find the greatest common factor (GCF) of 20 and 8, you can list the factors of each number and find the largest one they have in common.
The factors of 20 are: 1, 2, 4, 5, 10, and 20.
The factors of 8 are: 1, 2, 4, and 8.
From the lists above, we see that the common factors of 20 and 8 are 1, 2, and 4.
Therefore, the greatest common factor of 20 and 8 is 4.