Question

What is the smallest number by which should 392 be multiplied to get a perfect cube?​

Answer 1

Answer:

Hence the smallest natural number by which 392 should be multiplied to make a perfect cube is 7.

Answer 2

Step-by-step explanation:

By prime factorization, of 392 we have:-

392=2×2×2×7×7

Since, 7 is not grouping in triplets of equal factors, so it must be grouped to triplets and hence we multiply it by .

After multiplying,

392×7=2×2×2×7×7×7