find the smallest no. by which 25200 should be divided so that result is a perfect square
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Answered by
30
The given number is 25200.Prime factorization of 25200 is given by,25200=2×2×2×2×3×3×5×5×7Since the primefactor 7,does not occur in pair,so the given number is not a perfect square.In order to make it a perfect square,we must divide it by7.So,required number=7.
karthikvelly27:
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Answered by
44
2|25200
2|12600
2| 6300
2| 3150
3| 1575
5| 525
3| 105
5| 35
7
.·.25200=2×2×2×2×3×5×3×5×7
Here only the number 7 is not paired up.So,
25200/7=3600
Also 3600 is a perfect square=√3600=60 and 60²=3600.
2|12600
2| 6300
2| 3150
3| 1575
5| 525
3| 105
5| 35
7
.·.25200=2×2×2×2×3×5×3×5×7
Here only the number 7 is not paired up.So,
25200/7=3600
Also 3600 is a perfect square=√3600=60 and 60²=3600.
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