Q. 5 D3.5( 2 Votes )

# <span lang="EN-US

675

Prime Factorization: 675 = 5 × 5 × 3 × 3 × 3

= 33 × 52

There are only two 5’s.

675 is not a perfect cube.

To make it a perfect cube, we multiply with 5.

675 × 5 = 3375

= 5 × 5 × 5 × 3 × 3 × 3

= 33 × 53

= 153 which is a perfect cube

The smallest number by which the number 675 must be multiplied to obtain a perfect cube is 5.

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