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-   -   Bases 2 & 4 reservations/statuses/primes (https://www.mersenneforum.org/showthread.php?t=9830)

Jean Penné 2017-08-03 20:06

Sierpinski odd n's testing
 
Hi,

k=9267 is now tested up to n = 8,000,383 (2,408,360 decimal digits) no prime, continuing...

Best Regards,
Jean

Jean Penné 2017-08-22 15:13

Sierpinski odd n's testing
 
Hi,

k=9267 is now tested up to n = 8,109,415 (2,441,182 decimal digits) no prime, continuing...

Best Regards,
Jean

Jean Penné 2017-09-08 15:45

Sierpinski odd n's testing
 
Hi,

k=9267 is now tested up to n = 8,200,567 (2,468,621 decimal digits) no prime, continuing...

Best Regards,
Jean

Jean Penné 2017-09-26 06:05

Sierpinski odd n's testing
 
Hi,

k=9267 is now tested up to n = 8,300,623 (2,498,741 decimal digits) no prime, continuing...

Best Regards,
Jean

sweety439 2017-09-26 19:24

See [URL="http://mersenneforum.org/showthread.php?t=22600"]http://mersenneforum.org/showthread.php?t=22600[/URL], 168451*2^19375200+1 is prime, thus k=168451 can be removed from the remain k's for the Sierpinski 2nd base 2 conjecture.

Jean Penné 2017-10-18 06:20

Sierpinski odd n's testing
 
Hi,

k=9267 is now tested up to n = 8,406,703 (2,530,674 decimal digits) no prime, continuing...

Best Regards,
Jean

kar_bon 2017-10-18 08:28

I've updated my [url='https://www.rieselprime.de/Related/LiskovetsGallot.htm']page[/url] with the current ranges.

Jean Penné 2017-11-05 06:22

Sierpinski odd n's testing
 
Hi,

k=9267 is now tested up to n = 8,504,695 (2,560,173 decimal digits) no prime, continuing...

Thanks to Karsten for the update, and Best Regards,
Jean

Puzzle-Peter 2017-11-06 18:59

Status update
 
R2, k=9519 has passend n=16.5M. Less than 500 tests left. I hope to finish before christmas.

Puzzle-Peter 2017-12-04 18:31

1 Attachment(s)
R2, k=9519 finished to 2^24. No prime. Base released. R366 will pick up some speed now...

MisterBitcoin 2017-12-18 17:26

A few days ago PG found the mega prime
[CODE][FONT=sans-serif]273809*2^8932416-1
[/FONT]
[/CODE][FONT=sans-serif][SIZE=2]
The prime is [/SIZE][/FONT][FONT=sans-serif][SIZE=2]2,688,931 digits long. [/SIZE][/FONT]
[FONT=sans-serif][SIZE=2][URL="http://www.primegrid.com/download/TRP-273809.pdf"]The official letter[/URL]
[/SIZE][/FONT]
[FONT=sans-serif][SIZE=2]
[/SIZE][/FONT]
:bow wave::groupwave::skiing:


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