Find the square root by prime factorization method: a) 6400
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2 |6400
2 |3200
2 |1600
2 |800
2 |400
2 |200
2 |100
2 |50
5 |25
5 |5
5 |1
Square Root = _/6400
=_/2*2*2*2*2*2*2*2*5*5
= 2*2*2*2*5
= 80
80 is the answer. :)
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