1. By what least number should 72 be multiplied so that the obtained n – InterviewSolution

1.

1. By what least number should 72 be multiplied so that the obtained number is a square number.

Answer»

First find prime factors of 72= 2*2*2*3*3

Thus,72 should be multiplied by 2 to be a perfect square

If we Multiply 72 by 2 we get 144 which is a perfect square of 12

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