Question

find the smallest number by which 243 must be multiplied to obtain a perfect cube?
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Answer 1

Answer:

Ek no lo use karke deko ho jaye ga

Answer 2

Answer:

Prime factors of 243 = 3×3×3×3×3

Here 3 does not appear in 3's group.

3|243

3|81

3|27

3|9

3|3

|1

Therefore, 243 must be multiplied by 3 to make it a perfect cube.