Question

Find the largest number which is a factor of each of the number 504,792,1080

Answer 1

Find HCF = 2 x 2 x 2 x 2 = 16

or

Factors of 504 = 2 x 2 x 2 x 2 x 31

Factors of 792 = 2 x 2 x 2 x 2 x 3 x 3 x 11

Factors of 1080 = 2 x 2 x 2 x 2 x 3 x 3 x 3 x 5

Common factors = 2 x 2 x 2 x 2 = 16