Question

The least number by which $72$be multiplied to make it a perfect cube is _____________.

Answer 1

Factorize $72$and check.

Since, $72=\underset{3times}{\underbrace{2\times 2\times 2}}\times \underset{2times}{\underbrace{3\times 3}}\underset{}{}$

Here, in factor of $72$, the number $2$ is three times and the number $3$ is two times

Hence, The least number by which $72$ be multiplied to make it a perfect cube is $3$.