Question

Find the smallest number by which 256 must be multiplied to obtain a perfect cube.​

Answer 1

Answer:

By prime factorization, 256 can be written as 2

3

×2

3

×2

2

by making 2 into groups of 3.

In the third group, one 2 is missing.

256=2

3

×2

3

×2

2

So, 512=2

3

×2

3

×2

2

×2

Hence, number 2 must be smallest number that must be multiplied to make it a perfect cube.

Answer 2

Step-by-step explanation:

divide by 4 bro . You will get a perfect cube 64