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-   -   Riesel Primes k*2^n-1, k<300 [Part II] (https://www.mersenneforum.org/showthread.php?t=8621)

Thomas11 2017-01-01 09:41

status report
 
k=11 at n=5.85M.
k=113 at n=5.4M.
k=191 at n=6.0M.

Kosmaj 2017-01-02 04:05

The [URL="http://www.15k.org/riesellist.html"]status page on 15k.org[/URL] is now updated as well. And I just noticed that prof. Keller's page (site) prothsearch.net is not active any more, and it's actually on auction.

Cruelty 2017-01-31 22:37

status report
 
k=25 tested till n=4.01M
k=43 tested till n=5.08M
k=79 tested till n=3.66M
k=101 tested till n=5.21M

Cruelty 2017-04-01 00:41

status report
 
k=25 tested till n=4.06M
k=43 tested till n=5.13M
k=79 tested till n=3.75M
k=101 tested till n=5.27M
k=8515 tested till n=1.1M (prime for n=1, 7, 9, 15, 25, 53, 69, 93, 109, 183, 377, 613, 623, 647, 695, 1169, 1677, 2415, 3241, 4591, 5177, 5313, 6013, 10559, 11401, 15447, 20591, 23479, 23959, 88577, 88913, 123957, 139337, 198479, 225263, 397009, 535319, 563029, 661689)

unconnected 2017-04-01 08:01

k=33 @ 4.18M

MooMoo2 2017-04-29 19:26

5 Attachment(s)
k=39 is complete to n=4.05M. No new primes, and I'm continuing.

The results files are attached (part 1 of 2).

MooMoo2 2017-04-29 19:42

5 Attachment(s)
[QUOTE=MooMoo2;457914]k=39 is complete to n=4.05M. No new primes, and I'm continuing.

The results files are attached (part 1 of 2).[/QUOTE]
Part 2 of 2 is attached. All 28 known k=39 primes:

[code]
39*2^3-1 is prime! (3 digits)
39*2^24 - 1 is prime! (P = 1, Q = -1) [9 digits]
39*2^105 - 1 is prime! (P = 1, Q = -1) [34 digits]
39*2^153 - 1 is prime! (P = 1, Q = -1) [48 digits]
39*2^188 - 1 is prime! (P = 1, Q = -1) [59 digits]
39*2^605 - 1 is prime! (P = 1, Q = -1) [184 digits]
39*2^795 - 1 is prime! (P = 8, Q = -1) [241 digits]
39*2^813 - 1 is prime! (P = 1, Q = -1) [247 digits]
39*2^839 - 1 is prime! (P = 8, Q = -1) [255 digits]
39*2^2135 - 1 is prime! (P = 5, Q = -1) [645 digits]
39*2^2619 - 1 is prime! (P = 5, Q = -1) [790 digits]
39*2^4053 - 1 is prime! (P = 1, Q = -1) [1222 digits]
39*2^8333 - 1 is prime! (P = 1, Q = -1) [2511 digits]
39*2^15519 - 1 is prime! (P = 5, Q = -1) [4674 digits]
39*2^16025 - 1 is prime! (P = 1, Q = -1) [4826 digits]
39*2^16505-1 is prime! (4971 decimal digits) Time : 235.368 ms.
39*2^30684-1 is prime! (9239 decimal digits) Time : 594.990 ms.
39*2^40700-1 is prime! (12254 decimal digits) Time : 1.080 sec.
39*2^43683-1 is prime! (13152 decimal digits) Time : 1.245 sec.
39*2^52233-1 is prime! (15726 decimal digits) Time : 481.044 ms.
39*2^142205-1 is prime! (42810 decimal digits) Time : 3.412 sec.
39*2^222345-1 is prime! (66935 decimal digits) Time : 8.493 sec.
39*2^225333-1 is prime! (67834 decimal digits) Time : 10.669 sec.
39*2^292839-1 is prime! (88155 decimal digits) Time : 13.954 sec.
39*2^322613-1 is prime! (97118 decimal digits) Time : 18.294 sec.
39*2^747219-1 is prime! (224937 decimal digits) Time : 143.862 sec.
39*2^781220-1 is prime! (235173 decimal digits) Time : 150.906 sec.
39*2^2251104-1 is prime! (677652 decimal digits) Time : 1035.153 sec.
[/code]

Cruelty 2017-05-02 00:32

status report
 
k=25 tested till n=4.09M
k=43 tested till n=5.16M
k=79 tested till n=3.77M
k=101 tested till n=5.3M
k=8515 tested till n=1.24M

Thomas11 2017-05-02 07:24

status report
 
k=11 at n=6.05M.
k=113 at n=5.6M.
k=191 at n=6.25M.

MooMoo2 2017-06-22 04:56

2 Attachment(s)
[QUOTE=MooMoo2;457914]k=39 is complete to n=4.05M. No new primes, and I'm continuing.

The results files are attached (part 1 of 2).[/QUOTE]
k=39 is now complete to n=4.31M. No new primes, and I'm continuing.

Cruelty 2017-07-02 23:03

status report
 
k=25 tested till n=4.14M
k=43 tested till n=5.21M
k=79 tested till n=4.06M
k=101 tested till n=5.35M
k=8515 tested till n=1.44M


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