Question

find the smallest number by which 864 must be multiplied to get a perfect cube​

Answer 1

Answer:

432² is your answer mate.

Answer 2

Answer:

LCM of 864=2×2×2×2×2×3×3×3

⇒2

3

×2

2

×3

3

Hence, for 864×n to be a perfect cube, n must be 2.