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in Cubes And Cube Roots by (58.8k points)

243 is perfect cube? In case of perfect cube, find the number whose cube is the given number.

1 Answer

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Best answer

A perfect cube can be expressed as a product of three numbers of equal factors

Now by resolving the given number into prime factors we get,

243 = 3 × 3 × 3 × 3 × 3

Since the given number has more than three factors

∴ 243 is not a perfect cube.

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