Find the smallest number by which 3645 must be divided so that it becomes a
perfect square. Also, find the square root of the resulting number.
was equal to
Answers
Answered by
10
Answer:
The Prime Factorization :
Now, we have to pair the equal factors
So , The number 5 does not have any pair .
Therefore, we must divide 3645 by 5 to make it a perfect square.
Take one more factor from each pair of L.H.S , so the square root of the new number is
3×3×3 = 27.
Hence, the 27 is the smallest number which can be divided so that it becomes a perfect square.
☆Additional Information☆
The number that is multiplied to itself to get the square number is a square root. There are two methods in maths to find the square root of the square number. They are -
Prime Factorization Method
Long Division Method
Answered by
5
Prime Factorisation:
3645=3x3x3x3x3x3x5
Now, we have to pair the equal factors.
3645=(3x3) x(3x3)x(3x3)x5
The no. 5 doesn't have any pair.
Therefore, we should divide 3645 by 5 to make it a perfect s2.
(3x3) x(3x3)x(3x3)
Take one more factor from each pair of L. H.S,so the root of the new no. =
3x3x3=27
Hence, 27 is the smallest number which can be divided so that it becomes a perfect square.
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