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The GCF of 9 and 54 is 9.

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 9 are 1, 3, and 9.

The factors of 54 are 1, 2, 3, 6, 9, 18, 27, and 54.

The common factors are 1, 3, and 9.

Therefore, the greatest common factor is 9.
Since 9 is a factor of 54, it is automatically the GCF.
Since 9 is a factor of 54, it is automatically the GCF of this problem.

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8y ago

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12y ago

Since 9 is a factor of 54, it is automatically the GCF of this problem.

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Wiki User

14y ago

The GCF is: 9

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Q: What is the greatest common factor of 54 and 9?
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