Question

Is 243 a perfect cube?​

Answer 1

Step-by-step explanation:

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

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 i.e its prime factors cannot be grouped into pairs of three same numbers.

∴ 243 is not a perfect cube.

$\huge\bold{hope \: it \: helps!!}$

Answer 2

Answer:

A perfect cube can be expressed has product of 3 same... numbers..Now by resolving the given numbers into the prime factors we will get,

243=3×3×3×3×3..

Since the given numbers has more than the 3 factors.Cannot be grouped into pairs of the 3 same numbers...

Therefore 243 is not a perfect cube...

I hope that my answer may help u..

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