Find smallest number by which 7776 is to be divided to get a perfect sqare
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do it by prime factorization
7776=2*2*2*2*2*3*3*3*3*3 here the pairs of one 2 and 3 is not so they should be divided .
The answer is 6.
7776=2*2*2*2*2*3*3*3*3*3 here the pairs of one 2 and 3 is not so they should be divided .
The answer is 6.
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