Highest common factor of 56 and 84 July 8, 2019 16 32 64 128 Find the highest common factor of 56 and 84 Find the highest common factor hcf of 56 and 84 What is the highest common factor of 21 56 and 84 Find the highest common factor of 56 and 84 using both methods 1 2 3 4 5 moddalar