If {x} is the product of all even integers from 1 to x inclusive, what is the greatest prime factor of {26} + {24}?  Choose the correct answer.
A) 23  B) 20  C) 27  D) 5  E) 2
Soln:   {26} + {24} = 26*{24} +{24} = 27*{24}   ANSWER:27
<result>C</result>
If {x} is the product of all even integers from 1 to x inclusive, what is the greatest prime factor of {26} + {24}?