The hcf is 12
If you mean 24 and 36 then the HCF is 12
4
If you mean: 21, 49 and 84 then the HCF is 7
The GCF is 3.
To find this, you first need to split the numbers down into their prime factors. In this case you get: 21 = 3x7 36 = 2x2x3x3 The next step is to identify any common prime factors. In this case the only common prime factor is 3. Therefore the HCF of 21 and 36 is 3.
The GCF is 4.
The GCF is 9.
The GCF is 18.
The GCF is 12.
The GCF is 4.
It is 36
36
The hcf of 12 & 36 is 12
The GCF is 12.
The hcf is 12
The HCF is: 2