The GCF is 1.
The greatest common factor of 61 and 50 is 1.
The GCF of 16 and 72 is 8. 16/72 can be reduced to 2/9
The GCF is 1.
The GCF is 2.
The GCF is: 61
Because 61 is a prime number, the GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is 61.
The GCF is 1.