Question

The least number by which $125$be multiplied to make it a perfect square is _____________.

Answer 1

As we know

$125=5\times 5\times 5$

If we multiply $125$by$5$ we get

$$\begin{gathered} 125x5=625 \\ \surd 625=25 \end{gathered}$$

Hence, the least number by which $125$be multiplied to make it a perfect square is $5$.