Is 81 A Perfect Cube? [Solved]

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Is 81 A Perfect Cube? [Solved]

Is 81 a Perfect Cube? The number 81 on prime factorization gives 3 × 3 × 3 × 3. Here, the prime factor 3 is not in the power of 3. Therefore the cube root of 81 is irrational, hence 81 is not a perfect cube.

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Is 81 a perfect cube

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