终于找到第一个质数了

古明地觉

计算了1700多个PPS之后，终于找到了一个质数。泪目啊。。。居然因为网站的原因连这个数长什么样都不知道。。。。桑心死了。。

碧城仙

哈哈，翻出去看看嘛，是参加神马项目算出来的？

Schumacher

没有发邮件给你？？

古明地觉

回复 2# 碧城仙


额。。。我人就在墙外面。。。好像是网站自己因为各种原因好乱。。。比赛的时候就是，一直到最后才知道结果，过程中Team China排名什么的都看不到。也没有收到邮件，但是显示我PPS LLR项目有一个质数了。再等等吧

古明地觉

回复 3# Schumacher


    好像还没有，感觉网站这几天比较不正常。。。

古明地觉

我郁闷了，点开那个蓝色的1，里面说我没有发现质数。没有发现你外面写1干什么？。。。。再等等吧，看看是不是系统出问题了

古明地觉

回复 7# XCyber


    好的，那我再等等。

equn

恭喜啊，希望是真的！

search255

贴图啊亲

古明地觉

古明地觉

Dear Primefinder,

Congratulations! Our records indicate that a computer registered by you has found a unique prime number. This computer is running BOINC, is attached to  the PrimeGrid project, and is assigned to the Proth Prime Search. What makes  this prime unique is that it's large enough to enter the Top 5000 List in Chris Caldwell's The Largest Known Primes Database.

Since you have auto-reporting selected, the following prime was submitted on your behalf:

Added 101628 : 9973*2^694344+1 (209023 digits)

If you have any questions or concerns, please contact me and we will surely resolve any  problem.      

Once again, congratulations on your find.  

Thank you for participating in PrimeGrid.

John Blazek of PrimeGrid



</ html>

古明地觉

This prime's information:

field (help)        value
Description:        9973 · 2694344 + 1
Verification status (*):        Proven
Official Comment:       
Proof-code(s): (*):        L2612 : Xu1, PSieve, Srsieve, PrimeGrid, LLR
Decimal Digits:        209023   (log10 is 209022.37013513)
Rank (*):        3340 (digit rank is 1)
Entrance Rank (*):        3295
Currently on list? (*):        yes
Submitted:        9/3/2011 08:04:21 CDT
Last modified:        9/3/2011 13:50:25 CDT
Database id:        101628
Status Flags:        none
Score (*):        41.824 (normalized score 1.1331)
Verification data:

The Top 5000 Primes is a list for proven primes only. In order to maintain the integrity of this list, we seek to verify the primality of all submissions.  We are currently unable to check all proofs (ECPP, KP, ...), but we will at least trial divide and PRP check every entry before it is included in the list.
field        value
prime_id        101628
person_id        9
machine        Ditto P4 P4
what        prime
notes        Command: /home/ditto/client/pfgw -t -q"9973*2^694344+1" 2>&1
PFGW Version 3.4.5.32BIT.20110215.x86_Dev [GWNUM 26.5]
Primality testing 9973*2^694344+1 [N-1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Calling Brillhart-Lehmer-Selfridge with factored part 100.00%
9973*2^694344+1 is prime! (1296.4881s+0.0006s)
[Elapsed time: 21.62 minutes]
modified        2011-09-03 13:44:14
created        2011-09-03 13:22:37
id        132869
field        value
prime_id        101628
person_id        9
machine        Ditto P4 P4
what        trial_divided
notes        Command: /home/ditto/client/TrialDiv/TrialDiv -q 9973 2 694344 1 2>&1
[Ellapsed time: 9.510 seconds]
modified        2011-09-03 08:05:21
created        2011-09-03 08:05:12
id        132787