Oops i did it again. (Prime found)

ltd · 2006-01-02, 20:37

Hi,

i have some good news.

214519*2^1929114+1 is a probable prime.

I have done internal checks with PRP and LLR on two different PCs and it is still prime.
Already reported to primepages.
Status can be seen here:
http://primes.utm.edu/primes/page.php?id=76631

To make clear why the stats say 23 days since last prime here the story of this finding.
The prime was found on a linux machine in my office. This is the only machine that i could let run all through my holidays.
I left office on the 9th of december and today i had the first chance till then to get access to that machine. And i found the following:

[Sat Dec 10 04:50:55 2005]
214519*2^1929114+1 is a probable prime.

12 hours after i left office to go to holidays the prime was found and so the machine calculated k=214519 pairs that are not needed anymore for over 20 days.

@Citrix: You shouldn't have dropped your ranges. This one was in one of the ranges you originaly reserved and dropped later.

Lars

By the way did i already say:

drakkar67 · 2006-01-02, 21:12

Congrats go to the hunter of the heaviest k

Brucifer · 2006-01-02, 21:17

Glad to hear it!!!!

Citrix · 2006-01-02, 21:25

Quote:

Originally Posted by ltd

@Citrix: You shouldn't have dropped your ranges. This one was in one of the ranges you originaly reserved and dropped later.

Congrats, I am happy that it was found, irrespective of who found it.

Thanks, Citrix

Citrix · 2006-01-02, 21:26

Forgot to mention that this is the largest prime of 2006 so far, lets see who breaks our records.

Citrix

drakkar67 · 2006-01-02, 21:36

do you know the digit count?

Citrix · 2006-01-02, 21:38

580726 digits

drakkar67 · 2006-01-02, 21:41

I saw it on titanic prime pages
580727 digits

paulunderwood · 2006-01-02, 23:00

Congrats to Lars and the PSP team for another semi-mega prime

321search aims to find something big for 2006 too

It'll be interesting to see how the teams table changes with your new prime...

NeoGen · 2006-01-03, 00:39

Congrats Lars!
You were even a bit unlucky... as soon as you stepped out of the office the machine found you a prime! lol

Anyways, this calls for an update to the mainpage, more specifically this line:
"We have already found 11 large primes..."

Citrix · 2006-01-03, 00:43

I have updated
http://www.mersenneforum.org/showthread.php?t=2665

I am thinking of removing the main page, since it serves no purpose. I will redirect it to the forum. (Anyone up for designing me such a page?). I was hoping I could point it to the new server, once we get one.

Any thoughts?

Citrix

2006-01-02, 20:37	#1
ltd Apr 2003 1100000100₂ Posts	Oops i did it again. (Prime found) Hi, i have some good news. 2145192^1929114+1 is a probable prime. I have done internal checks with PRP and LLR on two different PCs and it is still prime. Already reported to primepages. Status can be seen here: http://primes.utm.edu/primes/page.php?id=76631 To make clear why the stats say 23 days since last prime here the story of this finding. The prime was found on a linux machine in my office. This is the only machine that i could let run all through my holidays. I left office on the 9th of december and today i had the first chance till then to get access to that machine. And i found the following: [Sat Dec 10 04:50:55 2005] 2145192^1929114+1 is a probable prime. 12 hours after i left office to go to holidays the prime was found and so the machine calculated k=214519 pairs that are not needed anymore for over 20 days. @Citrix: You shouldn't have dropped your ranges. This one was in one of the ranges you originaly reserved and dropped later. Lars By the way did i already say:

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2006-01-02, 21:12	#2
drakkar67 Feb 2003 Istanbul 2²·13 Posts	Congrats go to the hunter of the heaviest k

2006-01-02, 21:17	#3
Brucifer Dec 2005 313 Posts	Glad to hear it!!!!

2006-01-02, 21:26	#5
Citrix Jun 2003 2×7×113 Posts	Forgot to mention that this is the largest prime of 2006 so far, lets see who breaks our records. Citrix

2006-01-02, 21:36	#6
drakkar67 Feb 2003 Istanbul 2²·13 Posts	do you know the digit count?

2006-01-02, 21:38	#7
Citrix Jun 2003 2×7×113 Posts	580726 digits

2006-01-02, 21:41	#8
drakkar67 Feb 2003 Istanbul 110100₂ Posts	I saw it on titanic prime pages 580727 digits

2006-01-02, 23:00	#9
paulunderwood Sep 2002 Database er0rr 3,739 Posts	Congrats to Lars and the PSP team for another semi-mega prime 321search aims to find something big for 2006 too It'll be interesting to see how the teams table changes with your new prime...

2006-01-03, 00:39	#10
NeoGen Dec 2005 2×3³ Posts	Congrats Lars! You were even a bit unlucky... as soon as you stepped out of the office the machine found you a prime! lol Anyways, this calls for an update to the mainpage, more specifically this line: "We have already found 11 large primes..."

2006-01-03, 00:43	#11
Citrix Jun 2003 1582₁₀ Posts	I have updated http://www.mersenneforum.org/showthread.php?t=2665 I am thinking of removing the main page, since it serves no purpose. I will redirect it to the forum. (Anyone up for designing me such a page?). I was hoping I could point it to the new server, once we get one. Any thoughts? Citrix