If 9!/3^x is an integer, what is the greatest possible value of x?	Choose one: A) 3 B) 4 C) 5 D) 6 E) 7
9 - 3*3   6 - 2*3   3 - 1*3   Hence max of 3^4 is allowed. IMO 4.
<result>B</result>
If 9!/3^x is an integer, what is the greatest possible value of x?