Find the least number by which 14450 number should be multiplied to make them perfect square
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Answer:
Find the smallest number by which 14,450 should be multiplied to make it a perfect square. Not perfect square. therefore,if we multiply it by 2 it will become a perfect square. Multiplied by 2 so it make a perfect square.
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We have,
- To figure out number which is should be multiplied with 14450 to obtain a perfect square number.
Concept :
When the prime factors of a number has even exponential value, the number is a perfect square number. It can be understood by an example --
For above, n,m, and r should be even, so that xyz could be a perfect square number.
SOLUTION :::
♦ Prime factorisation of 14450
Here,
- Only the 2 has non-even exponent i.e. 2 is not in pair of two.
- So, 2 should be multiplied with factors to get a pair of two (or say even exponent of 2)
Thus,
- 2 is that required which on multiplying with 14450, will result a perfect square number.
Now,
** Checking whether the obtained result is a perfect square number or not --
Hence, It is concluded that on multiplying 2 to 14450, we obtain a perfect square number.
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