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-   -   Help test 2995125705 - Find a new top 5000 prime! (https://www.mersenneforum.org/showthread.php?t=2177)

SlashDude 2004-03-05 16:42

Help test 2995125705 - Find a new top 5000 prime!
 
It's now time to help find some primes for another 15k!

We would like to gather more information on this 15k, so we would like to continue testing it to n=1,000,000. We now have llr .txt test files ready to go to help search for k=2995125705 primes! (This part of our project is the same idea as 321 search)

How to help search for primes:
1. If you don't have LLR.exe, [URL=http://www.mersenne.org/gimps/]download llr.zip here![/URL]

2. Download one of the available test files below (Right-click link, and select "Save Target As") Save the file in the same folder as LLR.exe FYI- The files in the 290,000 to 300,000 range take about 3 days to complete on a 2.2GHz P4. [u]Post to this thread that you have downloaded a test range.[/u]

3. Open LLR, and select the "Test" menu, then "Input Data"
In the "Input File (From NewPGEN):" box enter the file from step 2 (IE - 300to305.txt)
In the "Output file:" box, enter prime.txt
Click "OK"
(If the LLR icon doesn't turn from "Red" to "Green" repeat step 3, and it will start the 2nd time you hit "OK")

3.5 If you see a number show up in the prime.txt file, you have found a new prime that will qualify for the top 5000 prime list! If you don't have a 15k top 5000 prime list prover code, I'll help you set one up so you will receive credit for the new prime!

4. When the test is complete, [u]please mail the lresults.txt file[/u] renamed (see below) and zipped to [EMAIL=kosmaj@yahoo.com]Kosmaj[/EMAIL], or post the renamed txt file to this thread.
[i]Renaming convention[/i]: if you worked on the [u]300to305.txt[/u] file then please rename [u]lresults.txt[/u] into [u]lresults300to305.txt[/u].

If you have any questions e-mail [EMAIL=kosmaj@yahoo.com]me[/EMAIL] and I'll try to answer your question.

Results (each file 700k-1M in size):
[URL=http://www.15k.org/2995125705/results/lres_300k.txt]300-400k[/URL]
[URL=http://www.15k.org/2995125705/results/lres_400k.txt]400-500k[/URL]
[URL=http://www.15k.org/2995125705/results/lres_500k.txt]500-600k[/URL] complete
[URL=http://www.15k.org/2995125705/results/lres_600k.txt]600-636k[/URL] complete
[URL=http://www.15k.org/2995125705/results/lres_636k.txt]636-700k[/URL] complete
[URL=http://www.15k.org/2995125705/results/lres_700k.txt]700-730k[/URL] complete
[URL=http://www.15k.org/2995125705/results/lres_730k.txt]730-770k[/URL] complete
[URL=http://www.15k.org/2995125705/results/lres_770k.txt]770-800k[/URL] complete
[URL=http://www.15k.org/2995125705/results/lres_800k.txt]800-825k[/URL] complete
[URL=http://www.15k.org/2995125705/results/lres_825k.txt]825-865k[/URL] complete

The list of contributors to n=865k can be found [URL=http://www.15k.org/2995125705/k299Contribution.txt]here[/URL].
The complete list of all primes found so far will be available shortly.

Status: ("R" in the left-most column denotes ranges with result files available above)

[CODE]
Range Tested by
1 - 890,000 - 15k/RPS - Complete - 132 primes found
890,000 - 891,000 - lsoule - Complete
891,000 - 893,000 - Kosmaj - Complete - prime found! n=891645
893,000 - 895,000 - lsoule - Complete
895,000 - 896,000 - Kosmaj - Complete
896,000 - 897,000 - lsoule - Complete
897,000 - 898,000 - segmtfault - Complete
898,000 - 899,000 - lsoule - Complete
899,000 - 900,000 - segmtfault - Complete
900,000 - 902,000 - Kosmaj - Complete
902,000 - 903,000 - segmtfault - Complete
903,000 - 904,000 - Joshua2 - Complete
904,000 - 905,000 - segmtfault - Complete
905,000 - 906,000 - Joshua2 - Complete
906,000 - 907,000 - segmtfault - Complete
907,000 - 908,000 - Kosmaj - Complete
908,000 - 909,000 - Joshua2 - Complete
909,000 - 910,000 - Kosmaj - Complete
910,000 - 911,000 - segmtfault - Complete
911,000 - 912,000 - Kosmaj - Complete
912,000 - 913,000 - segmtfault - Complete
913,000 - 915,000 - Kosmaj - Complete
915,000 - 917,000 - segmtfault - Complete
917,000 - 918,000 - Kosmaj - Complete
918,000 - 919,000 - segmtfault - Complete
919,000 - 920,000 - Kosmaj - Complete
920,000 - 921,000 - segmtfault - Complete
921,000 - 922,000 - Kosmaj - Complete
922,000 - 923,000 - segmtfault - Complete
923,000 - 924,000 - Kosmaj - Complete
924,000 - 926,000 - segmtfault - Complete
926,000 - 927,000 - Kosmaj - Complete
927,000 - 931,000 - segmtfault - Complete
931,000 - 932,000 - Kosmaj - Complete
932,000 - 965,000 - segmtfault - Complete
965,000-1,000,000 - segmtfault - In Progress
[/CODE]
[b]Available ranges[/b]
Format: "File/URL", "Number of candidates"
Sieved through 25000 bn (2.5E13)
[I]No more files available[/I]

Approximate completion time per file with 145 k/n pairs, n=920000, 2800sec per test:
113 hrs (4 days 17 hrs) on a 3.0 GHz P-4 machine using LLR-3.6.2

Sieving stopped.

Please reserve the lowest range available. Thanks! :grin:

SlashDude 2004-03-05 18:57

We already have 1 new prime for 2995125705!!
2995125705*2^231378-1 is prime!!

cyrix 2004-03-05 18:58

I want to test 235-240.
Cyrix

wpolly 2004-03-06 05:04

240-245 wpolly [Reserved]

jocelynl 2004-03-06 07:32

I'm taking 245-250

Joss

jocelynl 2004-03-11 03:57

Testing 250-255

Joss

cyrix 2004-03-11 23:20

I'm testing 255-260

wpolly 2004-03-14 08:08

My range is completed to 244811 with no primes.
But I'll go out for the Chinese IMO Team Selection test until April 4th.
Anybody kindly help me on the rest numbers.

2995125705 244813
2995125705 244817
2995125705 244833
2995125705 244834
2995125705 244838
2995125705 244844
2995125705 244847
2995125705 244848
2995125705 244855
2995125705 244856
2995125705 244864
2995125705 244874
2995125705 244881
2995125705 244882
2995125705 244885
2995125705 244888
2995125705 244894
2995125705 244901
2995125705 244902
2995125705 244904
2995125705 244912
2995125705 244916
2995125705 244929
2995125705 244942
2995125705 244952
2995125705 244957
2995125705 244967
2995125705 244969
2995125705 244984

Thank you very much.

Wpolly

cyrix 2004-03-14 09:09

Wpolly, good luck!
I will add this numbers to my testing file.

btw: 235-240 is completed without finding a prime.

Cyrix

cyrix 2004-03-14 17:51

no primes in Wpolly's numbers.

jocelynl 2004-03-15 13:12

No prime in 250-255
On to the next one 260-265

Joss


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