Q12 of 119 Page 50

Find the square root of each of the following numbers by using the method of prime factorization:

17424

By resolving given number into prime factors, we get

17424 = 2 × 2 × 2 × 2 × 3 × 3 × 11 × 11


Therefore,


= 2 × 2 × 3 × 11 = 132


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10

Find the square root of each of the following numbers by using the method of prime factorization:

11025

 11

Find the square root of each of the following numbers by using the method of prime factorization:

15876

 13

Find the smallest number by which 252 must be multiplied to get a perfect square. Also, find the square root of the perfect square so obtained.

 14

Find the smallest number by which 2925 must be divided to obtain a perfect square. Also, find the square root of the perfect square so obtained.