回複：It can be proven that there is an infinite amount of prime nu

來源: jinjing 於 2010-05-13 14:20:53 [] [舊帖] [給我悄悄話] 閱讀數 : (275 bytes)
回答: 質數的窮盡 由 novtim2 於 2010-05-10 20:24:13

您99分.如您是學的數學,那就...,N!=(Pa1)^b1*...(Pam)^bm
N!+1=(Pc1)^d1*...(Pcn)^dn.We can't get Pcn>Pam.
Let p1=2 p2=3...pj, pj is largest prime,
Let n=p1*p2*p3*p4*...pj+1,if n prime,n>pj,if n is not prime,It can be divided by P,it can't be by p1,p2,...pj,so P>pj....

所有跟帖： 

• Euclid number -guest007- ♀ 給 guest007 發送悄悄話 (4 bytes) () 05/16/2010 postreply 19:24:38

請您先登陸，再發跟帖！