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The word "GREATEST" is a superlative adjective and that means there can be only one.GCF(72, 81) = 9.

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The GCF of 72 and 81 is 9.

Q: What is the greatest common factor of 72 and 81?

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The greatest common factor of 16 72 and 81 is 1.

The Greatest Common Factor (GCF) is: 9

The greatest common factor is 9

The greatest common factor (GCF) of 36 81 and 144 is 9.

The GCF is 9.

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The greatest common factor of 16 72 and 81 is 1.

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