Question

The H.C.F of 12,15 and 60 is

Answer 1

3

Explanation:

When finding their H.C.F, we can list out their prime factors first.

12: 2² × 3

15: 3 × 5

60: 2² × 3 × 5

3 is the only common prime factor between 12, 15 and 60, so it is the H.C.F.