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Prep的数学题Foreverypositiveevenintegern,thefunctionh(n)isdefinedtobetheproductofalltheevenintegersfrom2ton,inclusive.Ifpisthesmallestprimefactorofh(100)+1,thenpisA.Between2and10B.Between10and20C.Between20a
题目详情
Prep的数学题
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
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
▼优质解答
答案和解析
因为h(100)整除50以内的所有整数,所以h(100)+1不能整除50以内的数（因为1不能整除）
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