Question

how to find if it is perfect cube or not 243​

Answer 1

By prime factorisation

Answer 2

find prime faactors of 243

prime factors of 243 are . 3×3×3×3×3
if triplet will form then it will be the perfect cube

as 3×3×3 = 1 triplet
but 3×3 is not forming any triplet.
so, 243 is not a perfect cube.

hope it helps
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