The GCF is 9.
HCF(40, 63) = 1
The GCF is 9.
The GCF is 21.
The GCF is 7.
The GCF/HCF of 360 and 225 is 45.
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 112 and 63 is 7
The GCF/HCF of 100 and 225 is 25.
7
7
7
It is: 21