The GCF is 24.
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, 77, and 84 is 7. To find the HCF, you need to identify the common factors of the numbers and determine the highest one they all share. In this case, the factors of 21 are 1, 3, 7, 21; the factors of 77 are 1, 7, 11, 77; and the factors of 84 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84. The highest common factor among them is 7.
The GCF is 1.
Well, darling, the highest common factor (HCF) of 21 and 84 is 21. It's like finding the biggest slice of cake they can both share without any leftovers. So, yeah, 21 is the winner in this math showdown.
The HCF is 7