What smallest no. be multiplied to 7920 to get perfect square
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7920 =2×2×2×2×3×3×5×11
5 and 11 are not not in pairs so it should be multiplied by 5×11 to make it a perfect square.
Answer-5×11=55
5 and 11 are not not in pairs so it should be multiplied by 5×11 to make it a perfect square.
Answer-5×11=55
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