Question

The product of 2- digit numbers is 486 and their LCM is 54. What is their HCF?

Answer 1

Answer:

9.

Step-by-step explanation:

The product of two numbers = 486

Their LCM = 54.

PRODUCT OF (X,Y)= (LCM × HCF) (X,Y)

486 = 54 × HCF

HCF = 486÷54

Therefore, HCF = 9.