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Question

For the following number, find the smallest whole number by which it should be multiplied so as to get a perfect square number.
1008

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Solution


By prime factorization of 1008, we get
1008=2×2×2×2×3×3×7
Here 2 and 3 are in pair, but 7 needs a pair to make 1008 a perfect square.
Thus 1008 needs to be multiplied by 7 to become a perfect square.

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