Question

The smallest number by which 72 must be multiplied to make it a perfect cube is ​

Answer 1

Answer:

72 we get 72= 2×2×2×3×3. It is clear that 72 should be multiplied by 3 to make it a perfect cube .

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Answer 2

Answer:

3

Step-by-step explanation:

72=2×2×2×3×3

=(23×32)=(2)3×32

In this factorisation there is no triplet for 3.

So, 72 is not a perfect cube.

Therefore, 72 has to be multiplied by 3 to make it a perfect cube.