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The greatest common factor is 5

* * * * *

Actually, it is 39

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Q: What is the greatest common factor for 39 and 78?

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Since 39 is a factor of 78, it is automatically the GCF.

The GCF is: 39

The GCF of 78 and 663 is: 39

13

The greatest common factor (GCF) refers to a factor that is COMMON to two or more numbers. You have only one number in the question! The greatest factor of any number is itself.

The GCF is 3.

The GCF is 3.

The GCF is 13.

13

The GCF is 3.

The GCF for 26,39,65,78 is *13*.

The GCF of 78 and 117 is 39Factors of 78: 1 2 3 6 13 26 39 78Factors of 117: 1 3 9 13 39 117The GCF of 78 and 117 is: 39The GCF is 39.The GCF is 39.