Question

Find the largest number which divides 122 24 and 256 simultaneously

Answer 1

HCF  124, 24 and 256

124 = 2 x 2 x 31

24 = 2 x 2 x 2 x 3

256 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2

HCF = 2 x 2 = 4

4 is the highest number.