Question

By what number should 81 be divided to get a perfect cube?

Answer 1

Answer:

Here, the prime factor 3 is not present as triples. Hence, we divide by 81 by 3, so that the obtained number becomes a perfect cube. Thus, 81÷3=27=33 81 ÷ 3 = 27 = 3 3 is a perfect cube.

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