Maths / Cube and Cube Roots / Cube Root by Prime Factorisation

QUESTION
 

Find the smallest natural number by which 1458 must be divided so that the quotient is a perfect cube.

OPTIONS
A. 

4

B. 

2

C. 

6

D. 

8

Right Option : B

EXPLANATION
Explain TypeExplanation Content
Text

1458 = 2 X 3 X 3 X 3 X 3 X 3 X 3 

Here 2 is unpired. so, 1458 must be divided by 2 to make it a perfect cube.

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