It is: 1
The GCF of 16, 20, and 27 is 1.
The greatest common factor is 1.
The GCF is 1.
The GCF is 1.
The GCF is 1.
the greatest common factor for 27 and 32 is 1
The greatest common factor of 27 and 35 is 1
The greatest common factor of 27 and 85 is 1.
The greatest common factor of 27 and 50 is 1.
The greatest common factor of 27 and 73 is 1.
The greatest common factor of 75 and 27 is 3.