I am guessing on the top of my head, 1
The GCF is 3.
The GCF is 3.
The GCF is 3.
The GCF of 42 and 93 is 3.
The GCF of 28 and 93 is 1.
The GCF is 3.3The GCF is 3.
The GCF of 93 and 100 is 1.
-56
The GCF is 4.
The GCF is 2.
The GCF is 1.
The GCF is 1.