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Q.

What is the square root of the 2809 by prime factorization method?


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a

52

b

53

c

56

d

57 

answer is B.

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Detailed Solution

The given number is 2809.
Now, using prime factorization, represent the supplied number as a product of the prime factors, and create the pairs of related factors such that the two factors in each pair are equal.
⇒ 2809 = 53×53 =53   Thus, 53 is the square root of 2809 as a result.
Therefore, option 2 is correct.
 
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