Question

what is the smallest number that must be multiplied with each of the following numbers to make it a perfect cube ?
a) 408375
b) 142884

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Answer 1

Answer:

I think A is a right answer

Answer 2

Answer:

a. 408375

Step-by-step explanation:

In order to make it a perfect cube , 408375 must be multiplied by 11 . iv . The prime factorisation of 142884 is 142884 = 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 7 × 7 Now , prime factor 2 and 7 do not occur in the group of 3 .