What is the HCF if 16 and 80?

Answer 1

The factors of 64 are 2, 2, 2, 2, 2, 2 (or 26.)

The factors of 88 are 2, 2, 2, 11 (or 23, 11.)

Therefore, the hcf would be 8 (23.)

If this was a fraction problem of:

64
--- to simplify you would divide the fraction by 8/8, leaving you with 8/11 as your answer.
88

Obviously, 8 and 11 have no common factors remaining once this has been done.

Answer 2

The greatest common factor of 16 and 80 is 16.

The factors of 16 are 1,2,4,8,16.

The factors of 80 are 1,2,4,5,,8,10,16,20,40,80.

The greatest number in each list is 16.

Answer 3

The Highest Common Factor is 7

Answer 4

The GCF is 2.

Answer 5

12

Answer 6

It is: 2

Answer 7

16