For every even positive integer m, f(m) represents the product of all even integers from 2 to m, inclusive. For example, f (12) = 2 x 4 x 6 x 8 x 10 x 12. What is the greatest prime factor of f(24) ?


23

19

17

13

11

考题讲解
还没有题目讲解(毕出老师会陆续发布对官方考题的解读,请保持关注)。

登录注册 后可以参加讨论

OG2017Q-PS