Q20 of 45 Page 7

 

    By what number would you multiply 231525 to make it a perfect cube?

    The prime factorisation of 231525 is 5 × 5 × 3 × 3 × 3 × 7 × 7 × 7.The number that must be multiplied in order that the above product is a perfect cube is 5.Therefore, Cube root of 231525 × 5 is 5  × 3 × 7 = 105.

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