The only prime factor these numbers share is 2. It is the only prime factor of 64, which is 2 to the 6th power. The hcf is 16, but that is not a prime.
8
192
It is: 16
The GCF is 64.
LCM of two numbers = their product divided by their HCF. The HCF of 64 and 610 is only 2 so the LCM is 64 x 610/2 ie 19520.
The only prime factor these numbers share is 2. It is the only prime factor of 64, which is 2 to the 6th power. The hcf is 16, but that is not a prime.
The GCF is 16.
The GCF is 5.
The GCF is 10.
8
192
It is: 4
It is: 16
No. The hcf of 51 and 64 is 1.
The GCF is 64.
The GCF is 16.