For the following, find the least number that must be subtracted so that the resulting number is a perfect square. 23497
23497 Taking square root of 23497, we find that 88 has been left
| | 153 | | 1 | 234971 | | 25 | 134125 | | 303 | 997909 | | | 88 |
Least number to be subtracted = 88