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3
It is: 3
The GCF of 12 & 27 is... 3
The GCF is 1.
9
The GFC of 100, 20, and 2 is 2.
The GFC= 2 :)LOL
Since 9 is a factor of 27, it is automatically the GCF.
It is: 1
2
It is: 2