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Question

by what smallest number should 10584 be multiplied so that product may be a perfect square ? also find the square root of the new number.

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Solution

Prime factorisation of 10584 is
10584=23×32×72
Now for the above to be a perfect square we can see that we need to multiply 2×3=6
the least number to be multiplied to 10584 to make it a perfect square is 6
10584×6=23×33×72×2×3=24×34×72
The square root of this new number is
24×34×72=22×32×7=4×9×7=63×4=192

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