Question

Find the least number which must be added to the following to make them perfect square 6708​

Answer 1

First you find out nearest small perfect square number by long division method.That is 6561 =81^2

So, we understand that

81^2<6708< 82^2

= 81^2<6708<6724

Now,

6724-6708=16

Hence 16 is the number which is added to given number to make it a perfect square