What is the greatest common factor of 48 and 128?

A factor is a divisor - a number that will evenly divide into another number. The greatest common factor of two or more numbers is the largest factor that both numbers have in common.

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 48 are 1, 2, 3, 4, 6, 8, 12, 16, 24, and 48.

The factors of 128 are 1, 2, 4, 8, 16, 32, 64, and 128.

The common factors are 1, 2, 4, 8, and 16. Therefore, the greatest common factor is 16.

Factors of 48 are 1, 2, 4, 6, 8, 12, 24, and 48

Factors of 128 are 1, 2, 4, 8, 16, 32, 64, and 128

The GCF of 48 and 128 is 8