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There is neither a greatest common factor nor common factors of a single number, such as 120, because there cannot be any form of common factor without two or more numbers to compare. Common factors are factors that the numbers being compared have in common. The greatest common factor is the largest factor that all the numbers being compared have in common. Thus, since there are not two or more numbers to compare, there are neither common factors nor a greatest common factor.
The factors of 120 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, and 120.
The prime factors of 120 are 2, 2, 2, 3, and 5.
Examples:
The common factors of 16 and 120 are 1, 2, 4, and 8; the greatest common factor is 8.
The common factors of 36 and 120 are 1, 2, 3, 4, 6 and 12; the greatest common factor is 12.
The common factors of 96 and 120 are 1, 2, 3, 4, 6, 8, 12, and 24; the greatest common factor is 24.
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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 78 and 120?
The greatest common factor of 78 and 120 is 6.
What is the greatest common factor of 68 and 120?
The greatest common factor of 68 and 120 is 4.
What is the greatest common factor of 120 and 64?
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 64 are 1, 2, 4, 8, 16, 32, and 64. 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.
What is the greatest common factor of 96 and 120?
The greatest common factor of 96 and 120 is 24.
