Question

The least number that must be multiplied to 252 to make it a perfect square is

_____​

Answer 1

Answer:

So, 252 will become a perfect square when multiplied by 7. Here, 3 and 2 are in pair but 5 needs a pair to make 180 a perfect square. 180 needs to be multiplied by 5 to become a perfect square. Here, 2 and 3 are in pair, but 7 needs a pair to make 1008 a perfect square.