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The GCF of 6 and 81 is 3.
The GCF is 9.
27 and 81, respectively.
The GCF is 1.
It is 3
12
The GCF is 66.
The greatest common factor of 36 and 132 is 12!! :)
gcf of 37 and 81 is 1.
The GCF of 27 and 81 is 27. And their LCM is 81.
The GCF is 27.