Solution

**Calculate the value of ****:**

We know that the relation between the HCF and the LCM of any two numbers and is given by,

It is given that,

And,

So, the numbers are and .

Now, using the above formula,

Or,

**Hence, the required value of ** **is ****.**

**Calculate the value of ****:**

We know that the relation between the HCF and the LCM of any two numbers

It is given that,

And,

So, the numbers are

Now, using the above formula,

Or,

**Hence, the required value of ****is ****.**