Question

find the smallest numbers by which each of the following numbers must multipled to obtain a perfect cube
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Answer 1

Answer:

Therefore, 243 must be multiplied by 3 to make it a perfect cube. Here one factor 2 is required to make a 3's group. Therefore, 256 must be multiplied by 2 to make it a perfect cube.

Answer 2

★ Question:-

find the smallest numbers by which each of the following numbers must multipled to obtain a perfect cube

★ Answer:-

⟨⟨243⟩⟩

Prime factors of 243 =

Here 3 do not appear in 3's group.

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

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