Find the smallest number by which 1.243 must be multiplied to obtain a perfect cube.

To do: Find the smallest number by which 1.243 must be multiplied to obtain a perfect cube

Solution:

The number 243 can be factorized  as $243=3\times3\times3\times3\times3$

$243=3^3\times3^2$

If we multiple 243 with 3, we get.

$243\times3=3^3\times3^2\times3$

$243\times=3^3\times3^3$

$243\times=9^3$
So 243 should be multiplied with 3 to make it a perfect cube

Updated on: 10-Oct-2022

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