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It is: 7
SC B ∙
21
7
The GCF is 7.
If you mean 28, 49 and 84 then the hcf is 7
If you mean: 21, 49 and 84 then the HCF is 7
The GCF of 21, 49, and 84 is 7.
The GCF is 7.It is: 7
The GCF is 24.
It is 7