Maths / Cube and Cube Roots / Perfect Cube

QUESTION
 

Examine the following are perfect cubes:

  • 243
  • 26136
  • EXPLANATION
    Explain TypeExplanation Content
    Text

    (i): : 243=(3times3times3)times3times3

    Here occurrence of 3 is not in multiple of '3', so 243 is not a perfect cube number.

    (ii): : 21636=(2times2times2)times(3times3times3)times11times11

    In 21636, prime number 11 does not occur in group of three, so 21636 is not a perfect cube number.

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