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Square Root by Prime Factorization

Find the smal...

Question

Find the smallest number by which 243 should be multiplied to get perfect square.

A

3

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B

4

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C

1

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D

2

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Solution

The correct option is A
3

243 = 3 x 3 x 3 x 3 x 3

If we multiply 243 by 3, we will get a perfect square.

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