What least number must be added to 81180 to make it a perfect square?

Given :

The given number is 81180.

To do :

We have to find the least number to be added to 81180 to make it a perfect square.

Solution :

To find the least number to be added to 81180 to make it a perfect square can be found out by using the long division method.

Therefore, $(284)^2 =81180$

The next perfect square number is $285^2 = 81225$$(285{)}^2=81225.$

$$
$(285)^2=81225.$

Therefore, the number to be added is $81225-81180=45$.

Therefore, the number to be added to 81180 to make it a perfect square is 45.