Question

the LCM of two number is 192. one of the number is 12.and other number is 64.find the HCF of the number

Answer 1

We know that

LCM x HCF = Product of two numbers

192 x HCF = 12 x 64

HCF = 768 / 192 = 4

Ans. HCF = 4

Answer 2

HCF is 4 as 12=1,2,3,4,6,12
64=1,2,4,8,16,32,64