Mathematics
For each of the following, find the least number that must be subtracted so that the resulting number is a perfect square.
23497
Sq & Sq Roots
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Answer
Using division method:

Clearly, if 88 is subtracted from 23497, the remainder will be a perfect square.
Since, 23497 - 88 = 23409
and,
Hence, 88 should be subtracted from 23497.
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