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7
It is 7
The GCF is 2.
The GCF is 21.
If you mean 28, 49 and 84 then the hcf is 7
hcf = 42, lcm = 84.
The GCF is 7.
The GCF is 42.
If you mean: 21, 49 and 84 then the HCF is 7
It is: 7
It is: 21