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Question

Find the smallest number by which 1152 must be divided so that it becomes a perfect square. Also, find the number whose square is the resulting number.

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Solution

By factorization 1152=2×2×2×2×2×2×2×3×3

Grouping the factors in pairs as 1152=2×(2×2)×(2×2)×(2×2)×(3×3), we see that one 2 is left unpaired
Dividing 1152 by 2, we get the perfect square and square root of the resulting number 11522=576, will be 2×2×2×3=24.


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