3
The GCF is 3.
hcf = 4 and lcm = 420
Factors of 81: 1, 3, 9, 27, 81.Factors of 60: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60.GCF (81, 60) = 3
gcf of 37 and 81 is 1.
The GCF of 27 and 81 is 27. And their LCM is 81.
The GCF is 9.
The GCF is 27.
The GCF is 1.
The GCF is 27.
The GCF is 9.
The GCF is 1.
The GCF is 2.