Q. 1 B5.0( 1 Vote )

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Answer :

A. 1331


Prime Factorization:



1331 = 11 × 11 × 11 = 113


1331 is a perfect cube.


B. 512


Prime Factorization:



512 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2


= 23 × 23 × 23


= 83


512 is a perfect cube.


C. 343


Prime Factorization:



343 = 7 × 7 × 7 = 73


343 is a perfect cube.


D. 100


Prime Factorization:



100 = 2 × 2 × 5 × 5


There are only two 2’s and two 5’s.


Hence, 100 is not a perfect cube.

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