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GCF(66, 27) = 3.
The GCF is 3.
It is 3
The GCF is: 6.
The GCF is 6.
The GCF is 66.
The GCF is 1.
As 6 is a factor of 66, gcf=6
The GCF of 30 and 66 is 6.
The GCF is 11.