Find the smallest number that should be multiplied by 5408 to make it a perfect square.
The prime factorization of 5408 is 2 × 2 × 2 × 2 × 2 × 13 × 13.
The number 2 does not have a pair and hence the smallest number that should be multiplied by 5408 to make it a perfect square is 2.
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=2
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