(i) -64

Prime factors of 64 = 2 × 2 × 2 × 2 × 2 × 2 = 2³ × 2³ = 4³

We find that 64 is a perfect cube of negative integer – 4 .

(ii) -1056

Prime factors of 1056 = 2 × 2 × 2 × 2 × 2 × 3 × 11

We find that 1056 is not a perfect cube.

Hence, - 1056 is not a cube of negative integer

(iii) -2197

Prime factors of 2197 = 13 × 13 × 13 = 13³

We find that 2197 is a perfect cube.

Hence, - 2197 is a cube of negative integer – 13 .

(iv) -2744

Prime factors of 2744 = 2 × 2 × 2 × 7 × 7 × 7 = 2³ × 7³ = 14³

We find that 2744 is a perfect cube.

Hence, - 2744 is a cube of negative integer – 14 .

(v) -42875

Prime factors of 42875 = 5 × 5 × 5 × 7 × 7 × 7 = 5³ × 7³ = 35³

We find that 42875 is a perfect cube.

Hence, - 42875 is a cube of negative integer – 35.