Since 9 is a factor of 27, it is automatically the GCF.
Nine.
27 and 18
GCF(72, 27) = 9
9, 18 and 27
the greatest common factor for 27 and 32 is 1
The greatest common factor of 27 and 36 is 9.
The greatest common factor of 14 and 27 is 1.
The greatest common factor of 27 and 35 is 1
the greatest common factor of 243 and 54 is 27.
Since 27 is a factor of 54, and 27 cannot have a larger factor than itself, the greatest common factor of 27 and 54 is 27.
The greatest common factor is 1
The greatest common factor of 75 and 27 is 3.