HCF(21, 77, 84) = 7.
The GCF is 7.It is: 7
84
84 : 104 = 21 : 26 (simplifying by dividing both sides of the ration by the hcf(84, 104) = 4)
The GCF is 28.
The GCF is 21.
The GCF is 7.
The GCF is 7.
It is: 21
The HCF of 21, 84 and 91 is.... 1 ! The number 91 is a prime number.
It is: 21
4
It is: 7
If you mean: 21, 49 and 84 then the HCF is 7
The GCF is 21.
It is: 7