What is the smallest positive integer x, such that 1,152x is a perfect cube?  Choose the correct choice.
A) 4	B) 6	C) 8	D) 12	E) 18
We need to make 1152x a perfect cube, hence we need to have the powers a multiple of 3   1152 = 2^7*3^2   The minimum value of x for which 1152x is a perfect cube = 2^2*3 = 12   Correct Option: 12
<result>D</result>
What is the smallest positive integer x, such that 1,152x is a perfect cube?