The GCF is 3.
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The GCF is 8.
The GCF is 8.
The GCF is 12.
The GCF of 54, 72, and 81 is 9.The prime factorization of 54 is 2*3*3*3The prime factorization of 72 is 2*2*2*3*3The prime factorization of 81 is 3*3*3*3The GCF, then, is 3*3 = 9
The word "GREATEST" is a superlative adjective and that means there can be only one.GCF(72, 81) = 9.