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The word "GREATEST" is a superlative adjective and that means there can be only one.GCF(15, 30) = 15.

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The GCF is: 15

15

Q: What is the greatest common factor for 30 and 15?

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5 is the greatest solid factor of 15, 30 and 50.

The greatest common factor (GCF) is: 5.

No, 30 is.

The GCF is 15.

15

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5 is the greatest solid factor of 15, 30 and 50.

The greatest common factor (GCF) is: 5.