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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 80 are 1, 2, 4, 5, 8, 10, 16, 20, 40, and 80.
The factors of 96 are 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, and 96.
The factors of 120 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, and 120.
The common factors are 1, 2, 4, and 8. Therefore, the greatest common factor is 8.
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What is the greatest common factor of 80 and 120?
The greatest common factor of 80 and 120 is 40.
What is the greatest common factor of 64 80 and 120?
The greatest common factor (GCF) of 64, 80, and 120 is: 8
What is the greatest common factor of 60 80 and 120?
The GCF of 60, 80, and 120 is 20
What is the greatest common factor of 80 120 160?
It is: 40
What is the greatest common factor of 80 and 120 and 360?
The GCF is 40.
