Question

find out that smallest number which when multiplied by 256 will make the product a perfect cube.​

Answer 1

we can see the HCF of 256 by cube number .
265 = 8× 8 × 4
we know that a cube have three pair of same if we multiple 256 × 2 = 512
than it become a cube of 8
512= 8×8×8
hence that smallest number is 2 multiplied by 256 will make the product a perfect cube.​