The GCF is 21.
The GCF is 21.
The GCF is 21.
It is 1 but the HCF is 21
HCF(40, 63) = 1
The GCF is 9.
hcf = 42, lcm = 84.
The least common multiple of 14 and 21 is 42.14, 28, 42, 56 ...21, 42, 63, 84, ...
The GCF is 7.
The GCF is 42.
It is: 14
The GCF is 42.
the HCF is 6