The GCF is 24.
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
It is: 7
If you mean: 21, 49 and 84 then the HCF is 7
It is: 7
The Highest Common Factor (HCF) of 21 and 84 is 21. This is because 21 is a factor of both 21 and 84, and it is the largest factor that both numbers have in common. To find the HCF, you can list the factors of each number and identify the largest factor that appears in both lists.
The GCF is 1.
The hcf is 21