Question

Find the smallest number that must be subtracted from 345 to make it perfect cube

Answer 1

(To find smallest number to subtracted from 345 to make it perfect cube .

We know some perfect cube numbers :

53 =  125 

63 =  216

And

73 =  343  ( Nearest to 345 )

So,

Minimum number is subtracted from 345 to make it perfect cube =  345 -  343  =  2                         ( Ans )

Hope this information will clear your doubts about topic.)

Answer 2

7^3 = 343.

345 is near to 343 and it is a perfect cube. So in order to make 345 a perfect cube -->

345 - 343 = 2

You have to subtract 2 which is the smallest possible number.

Hope This Helps You!