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Author Topic: Prime Numbers  (Read 55685 times)
Dingo
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« on: May 09, 2009, 02:52:57 AM »

I just been advised that I found three more prime numbers anf they are in the top 5000.  That is now six for me, anyone else found any??


-----  -------------------------------- ------- ---- ---- --------------
 rank           description              digits  year comment
-----  -------------------------------- ------- ---- ---- --------------
 3478  6321*2^453116+1                   136406   2009
 3529  3351*2^451825+1                   136017  2009
 3560  5185*2^451006+1                   135771  2009
 8435  31330586439*2^333333-1            100354  2008
 9800  15336808641*2^333333-1            100354  2007
10559  6616796595*2^333333-1             100354  2007
-----  -------------------------------- ------- ---- ---- --------------


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« Reply #1 on: May 09, 2009, 08:22:10 AM »

I have 3 total and I think one is in the top 5000.
Where do you find the list??
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mike
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« Reply #2 on: May 09, 2009, 09:34:54 AM »

It is from my Prime Number page.  I googled my real Name and it was in the list of results.  The main website where I found mine is at.  http://primes.utm.edu/

Try the search on this page for your real name or for your Boinc name maybe ??

Good luck
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« Reply #3 on: May 09, 2009, 09:47:57 AM »

I've got 4 but none are in the top 5,000 (in fact only one is in the top 10,000 now)

But I do mostly sieving, which is not the prime finding application.
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« Reply #4 on: May 09, 2009, 05:42:59 PM »

It is from my Prime Number page.  I googled my real Name and it was in the list of results.  The main website where I found mine is at.  http://primes.utm.edu/

Try the search on this page for your real name or for your Boinc name maybe ??

Good luck

Thanks,
I have one at 1347 Big Grin Jester
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« Reply #5 on: May 20, 2009, 08:22:20 PM »

I have 90 prime numbers of which only 11 now sit in the top prime list.  Check out L98 as the prime finders code.

mostly worked on the twin prime search
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« Reply #6 on: May 20, 2009, 08:30:16 PM »

I have 90 prime numbers of which only 11 now sit in the top prime list.  Check out L98 as the prime finders code.

mostly worked on the twin prime search

WOW that's a lot!  Congratulations

I got all 4 of mine with TPS as well.  But none on PPS (from nearly 18,000 LLR tests)
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« Reply #7 on: May 20, 2009, 10:12:57 PM »

elftron, as Yoda said that is a huge number.  It has taken me forever to get the few I have.  Great work  Congratulations
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« Reply #8 on: March 16, 2010, 07:21:59 PM »

Yippee Finally got a new prime . Only taken 18 months but better late than never
Dave
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« Reply #9 on: March 17, 2010, 09:39:17 AM »

Congrats Dave !! Congratulations Congratulations Congratulations
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Dingo
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« Reply #10 on: March 17, 2010, 10:14:15 AM »

Congrats  Congratulations, I haven't found another one since the last one I posted.
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Dingo
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« Reply #11 on: July 27, 2011, 01:00:13 AM »

Just received an email that I found another Prime number.  It is not ranked yet but seems to be in the top 5000.  The last one I found was in 2009.

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 Sophie Germain 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 100922 : 21703472276295*2^666666-1 (200700 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
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veebee
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« Reply #12 on: July 27, 2011, 07:27:03 AM »

Well done Dingo !
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« Reply #13 on: July 27, 2011, 10:12:03 AM »

Good 'un Dingo
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Dingo
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« Reply #14 on: September 28, 2011, 05:20:43 PM »

I have been notified that I have found a new prime in Primegrid.  Good to see that my crunching is doing more than just getting credits  Cheer!
-----  -------------------------------- ------- ---- ---- --------------
 rank           description              digits                year
-----  -------------------------------- ------- ---- ---- --------------
562   1089 21111763 + 1    334678    L2724    Sep 2011    
5054   21703472276295 2666666 - 1    200700    L2512    Jul 2011    
16555   6321 2453116 + 1    136406    L837    May 2009    
16632   3351 2451825 + 1    136017    L837    May 2009    
16671   5185 2451006 + 1    135771    L837    May 2009    
21854   31330586439 2333333 - 1    100354    L328    Jan 2008    
23219   15336808641 2333333 - 1    100354    L328    Jun 2007    
23978   6616796595 2333333 - 1    100354    L328    May 2007    


Looking at the PrimeGrid site I have also been the double checker, or the second finder a number of times.  If you go to the site and press the decimal next to the prime number it will show how huge these numbers are.  Shocked  The number I just found has 334678 digits.
« Last Edit: September 28, 2011, 05:31:06 PM by Dingo » Logged


 
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