1 is the GCF of 81 and 100.
The GCF is 1.
81, as it is the highest factor of 81 (81 and 1) and is also a factor of 162 (81 and 2)
gcf of 37 and 81 is 1.
The GCF of 27 and 81 is 27. And their LCM is 81.
The GCF is 27.
The GCF is 9.
The GCF is 1.
The GCF is 27.
The GCF is 1.
The GCF is 9.
The GCF is 2.