The greatest common factor of 64x and 16 is 16 , because 16 divides 64 evenly, i.e. 64=4×16 .
The common factors for 60,56 are 1,2,4 1 , 2 , 4 . The numbers do not contain any common variable factors. The GCF (HCF) of the numerical factors 1,2,4 1 , 2 , 4 is 4 .
