The GCF is 1.
51 is a prime number (its only factors are 1 and 51). Therefore, the GCF must be 1 because 51 doesn't go into 32.
32 and 64
The GCF is 1.
GCF(51, 512) = 1. The numbers are coprime.
The GCF of 16 and 32 is 16.
32 and 64
The two numbers are coprime so the gcf is 1.
4
The greatest common factor of the numbers 192, 96 and 64 is 32.
The GCF of 50 and 51 is 1. The GCF of any pair of consecutive numbers is 1.
32 and 48
The GCF is 2.