Q. 4 F5.0( 1 Vote )

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Answer :

625

Prime Factorization:



625 = 5 × 5 × 5 × 5


= 53 × 5


There is only one 5.


625 is not a perfect cube.


Since in factorization, 5 appear only one time, we should divide the number 625 by 5.


625 ÷ 5 = 125


= 5 × 5 × 5


= 53


The smallest number by which the number 625 must be divided to obtain a perfect cube is 5.


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