求一道prep题，灰常感谢！！！

小鱼good

7.905-!-item-!-187;#058&000575

For every positive even integer n, the function h(n) is defined to be the product of all the even integers from 2 to n, inclusive.If p is the smallest prime factor of h(100) + 1, then p is



(A) between 2 and 10

(B) between 10 and 20

(C) between 20 and 30

(D) between 30 and 40

(E) greater than 40
大侠们，这题咋做呀？难住了~~~

小鱼good

哦，恍然大悟，非常感谢！

Miyari

选E。

h(100)+1=2^50*1*2*3*.......50+1

所以在除以1~50各数字时都余1，因此P肯定大于40.