Sarthaks Test
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Find the cube root of each of the following numbers by prime factorisation method.

(i) 175616

(ii) 91125

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(i) Prime factorisation of 175616 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2  x 7 x 7 x 7 

∴  3√175616 = 2 x 2 x 2 x 7 = 56

(ii) Prime factorisation of 91125 = 3 x 3 x 3 x 3 x 3 x 3 x5 x 5 x 5

∴ 3√91125 = 3 x 3 x 5 = 45

 

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