Question

The HCF of two numbers is $13$ and their LCM is $1989$. If one of the numbers is $221$, find the other.

Answer 1

Given, the HCF of two numbers is $13$ and their LCM is $1989$.

We have the product of HCF and LCM is the product of the two numbers.

So the other number is $=\frac{13\times 1989}{221}=117$.