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The GCF of 54, 72, and 81 is 9.

The prime factorization of 54 is 2*3*3*3
The prime factorization of 72 is 2*2*2*3*3
The prime factorization of 81 is 3*3*3*3

The GCF, then, is 3*3 = 9

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8y ago
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7y ago

GCF(54, 72, 81) = 9.

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7y ago

The GCF is 9.

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Q: What is the greatest common factor of 54 72 and 81?
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