Question

.
Is 400 a perfect cube ? If not, find the smallest natural number by which 400 must be
multiplied so that the product is a perfect cube.​

Answer 1

Step-by-step explanation:

Factors of 53240=5×23×113

So, 53240 is not a perfect cube.

Hence, 

53240 should be divided by 5 so that the number becomes a perfect cube.