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Find the square root by prime factorization. a)11025 b)8469 c)17956
a) Factors are 3 x 3 x 5 x 5 x 7 x 7 
32 x 52 x 7 2
3 x 5 x 7 = 105

b) 3 x 3 x 941 
3 x 941

c) 2 x 2 x 67 x 67
22 x 67 2
 2 x 67 = 134


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