Q14 of 114 Page 3

Write the prime factorization of the following numbers and hence find their square roots.

(i) 7744


(ii) 9604


(iii) 5929


(iv) 7056

(i) 7744

7744 = 22 × 22 × 22 × 112


= 2 × 2× 2 × 11


=88


(ii) 9604


9604 = 22 × 72 × 72


= 2 × 7× 7


=


(iii) 5929


5929 = 112 × 72


= 11 × 7


=77


(iv) 7056


7056 = 22 × 22 × 72 × 32


= 2 × 2× 7 × 3


=84


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