It is not possible to give a sensible answer to this question. The highest common factor (HCF) refers to a factor that is COMMON to two or more numbers. You have only one number in the question!
The HCF of 48 and 72 is 24. The LCM is 144.
The GCF is 72.
Hcf of 24 and 72 is 24
The GCF is 24.
The GCF is 8.
The GCF is 12.
The GCF is 12.
The HCF is: 2The LCM is: 2,520
8
36
24
4