16 is the answer. All 3 numbers can be divided by 16 at most. It can’t be 16a because 48b does not have a. It can’t be 16b because 32a does not have b.
The common factors for 32,48 are 1,2,4,8,16 1 , 2 , 4 , 8 , 16 . The numbers do not contain any common variable factors. The GCF (HCF) of the numerical factors 1,2,4,8,16 1 , 2 , 4 , 8 , 16 is 16 . The greatest would be 16 Answer is 16
