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The GCF is 3.
The GCF of 15 and 81 is 3.
The GCF is 1.
3(5 + 27)
gcf of 37 and 81 is 1.
The GCF of 27 and 81 is 27. And their LCM is 81.
The GCF is 9.
The GCF is 27.