27 is a perfect cube. When x is added to the prime factor of 27, the result is also a perfect cube. What is x?	Select
A) 1
B) 3
C) 5
D) 7
E) 11
27 is 3*3*3   A   3+1= 
<gadget id="calculator">  3+1</gadget>
<output>4</output>
4, 4=2*2   B   3+3= 
<gadget id="calculator">  3+3</gadget>
<output>6</output>
6, 6=2*3   5 3+5 = 8, 8=2*2*2   D   3+7= 
<gadget id="calculator">  3+7</gadget>
<output>10</output>
10, 10=2*5   E   3+11= 
<gadget id="calculator">  3+11</gadget>
<output>14</output>
14, 14=2*7   5 is the only addition that gives a perfect cube.
<result>C</result>
27 is a perfect cube. When x is added to the prime factor of 27, the result is also a perfect cube. What is x?