Find the smallest number which has to multiply to get a perfect square. 1.) 847
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prime factors of 847 are 7 *11²
thus for perfect square we have to multiply by 7
then it will cam 7*7*11²
7²*11² = 77²
so we will multiply by 7
thus for perfect square we have to multiply by 7
then it will cam 7*7*11²
7²*11² = 77²
so we will multiply by 7
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