The GCF is 1.
The GCF is 1.
You need at least two numbers to find a GCF. If that's 37 and 40, the GCF is 1.
gcf of 37 and 81 is 1.
The GCF is 37.
The GCF is 37.
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is 1.
40 = 2 x 2 x 2 x 5, 37 = 1 x 37. There is no common factor other than 1.
-56