Question

which is the smallest number multipled 252 to get a perfect square number

Answer 1

factorisation of 252= 2×2×3×3×7
now make pairs.
here 7 remain unpaired so , the no. must
multiplied by 7


thanks!!!

Answer 2

factorisation =2×2×3×3×7
so multiply 7 to get the perfect square because only 7 is unpaired
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