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The GCF of 51 and 93 is 3.

Definition: 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 the numbers have in common.

Method:

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 51 are 1, 3, 17, and 51.

The factors of 93 are 1, 3, 31, and 93.

The common factors are 1 and 3. Therefore, the greatest common factor is 3. The factors of 51 are 1, 3, 17, and 51.

The factors of 93 are 1, 3, 31, and 93.

The common factors are 1 and 3. Therefore, the greatest common factor is 3.

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9y ago

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