Question

find 243
$\sqrt{?}$
​

Answer 1

Answer:

not a perfect square

Step-by-step explanation:

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Answer 2

Answer:

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.

Step-by-step explanation:

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