求助一道数学题

yydetiankong · 发表于 2010-8-10 21:57:12

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

这个不会做~请高人赐教~谢谢~~~答案是E

(A) between 2 and 10

(B) between 10 and 20

(C) between 20 and 30

(D) between 30 and 40

(E) greater than 40

这个不会做~请高人赐教~谢谢~~~答案是E

Cecilia89 · 发表于 2010-8-10 22:04:12

http://forum.chasedream.com/GMAT_Math/thread-124700-5-1.html
这个是以前的讨论稿

另附以前PREP题目讨论贴
http://forum.chasedream.com/GMAT_Math/thread-150752-1-1.html

yydetiankong · 发表于 2010-8-10 23:45:58

非常感谢~~`

求助一道数学题

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