Question

Find the smallest number number by which 128 must be divided to get a perfect cube

Note: plz give me step by step lengthy answer

Answer 1

Step-by-step explanation:

here is your answer and once try to solve it yourself

Answer 2

Answer:

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Answer:-

Step-by-step explanation:

128

Here we take LCM of 128 => 2×2×2×2×2×2×2

128=>2²×2²×2²×2

Here the prime factor 2 is not present as triple.

Hence,we divide 128 by 2, So that the Obtained number become a cube.

128÷2=64=2³×2³=4³ is a perfect cube.

Hence the smallest number by which 21 should be divided by to make a perfect cube.

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