0
Wiki User
3
12 = 2^2 x 3
21 = 3 x 7
30 = 2 x 3 x 5
hcf = 3
ZYRILMILES MAGALONA ∙
The GCF is 3.
Anonymous ∙
6
The GCF is 6.
Gcf:6 lcm:60
3 is the greatest common factor
16 and 21
The GCF is: 3
The GCF of the numbers 6, 12, and 30 is the number 6.