mersenneforum.org Double checking
 Register FAQ Search Today's Posts Mark Forums Read

 2021-01-06, 21:19 #67 gd_barnes     May 2007 Kansas; USA 1154810 Posts Double checking for k<200 to n=1M is complete. No problems found. The links in post #57 are updated. Continuing.
 2021-01-22, 05:09 #68 gd_barnes     May 2007 Kansas; USA 2D1C16 Posts Double checking for k<250 to n=1M is complete. No problems found. The links in post #57 are updated. Continuing.
 2021-02-12, 10:16 #69 gd_barnes     May 2007 Kansas; USA 101101000111002 Posts Double checking for all k<300 to n=1M is complete. No missing or incorrect primes found. The links in post #57 are updated. Nice work by RPS ! :-)
 2021-03-21, 00:54 #70 gd_barnes     May 2007 Kansas; USA 1154810 Posts Here is a follow-up to post 57 in this thread. Below are primes and results/residues for all of my recent double-check and first-time testing here at RPS: Primes for double-check of all k<300 to n=1M: http://www.noprimeleftbehind.net/pri...ase2-0M-1M.zip Results/residues for double-check of all k<300 to n=1M: http://www.noprimeleftbehind.net/res...ase2-0M-1M.zip Primes for first-time testing (with some double-check) for misc. k's n>1M: http://www.noprimeleftbehind.net/pri...ase2-gt-1M.zip Residues for first-time testing (with some double-check) for misc. k's n>1M: http://www.noprimeleftbehind.net/res...ase2-gt-1M.zip
2022-06-04, 18:41   #71
MooMoo2

Aug 2010

12408 Posts

Double checking k=19 from n=1-1787500 (1.7875M) is complete. No problems found, and the results are attached.

For reference, the list of primes up to n=1.7875M that were confirmed are:
Code:
19*2^1-1 is prime! (2 decimal digits)
19*2^3-1 is prime! (3 decimal digits)
19*2^5-1 is prime! (3 decimal digits)
19*2^21-1 is prime! (8 decimal digits)
19*2^41-1 is prime! (14 decimal digits)
19*2^49-1 is prime! (17 decimal digits)
19*2^89-1 is prime! (29 decimal digits)
19*2^133-1 is prime! (42 decimal digits)
19*2^141-1 is prime! (44 decimal digits)
19*2^165-1 is prime! (51 decimal digits)
19*2^189-1 is prime! (59 decimal digits)
19*2^293-1 is prime! (90 decimal digits)
19*2^305-1 is prime! (94 decimal digits)
19*2^395-1 is prime! (121 decimal digits)
19*2^651-1 is prime! (198 decimal digits)
19*2^665-1 is prime! (202 decimal digits)
19*2^771-1 is prime! (234 decimal digits)
19*2^801-1 is prime! (243 decimal digits)
19*2^923-1 is prime! (280 decimal digits)
19*2^953-1 is prime! (289 decimal digits)
19*2^3689-1 is prime! (1112 decimal digits)
19*2^5315-1 is prime! (1602 decimal digits)
19*2^6989-1 is prime! (2106 decimal digits)
19*2^15641-1 is prime! (4710 decimal digits)
19*2^48819-1 is prime! (14698 decimal digits)
19*2^78389-1 is prime! (23599 decimal digits)
19*2^134053-1 is prime! (40356 decimal digits)
19*2^167843-1 is prime! (50528 decimal digits)
19*2^181395-1 is prime! (54607 decimal digits)
19*2^311091-1 is prime! (93650 decimal digits)
19*2^353661-1 is prime! (106464 decimal digits)
19*2^645555-1 is prime! (194333 decimal digits)
19*2^916763-1 is prime! (275975 decimal digits)
19*2^1325245-1 is prime! (398940 decimal digits)
19*2^1434165-1 is prime! (431728 decimal digits)
19*2^1684813-1 is prime! (507181 decimal digits)
Attached Files
 1 - 390000.txt (966.3 KB, 42 views) 390000 - 770000.txt (845.7 KB, 40 views) 770000 - 1185000.txt (879.3 KB, 43 views) 1185000 - 1598500.txt (890.1 KB, 43 views) 1598500 - 1787500.txt (410.5 KB, 43 views)

2022-10-02, 17:21   #72
MooMoo2

Aug 2010

25×3×7 Posts

Quote:
 Originally Posted by MooMoo2 Double checking k=19 from n=1-1787500 (1.7875M) is complete. No problems found, and the results are attached. For reference, the list of primes up to n=1.7875M that were confirmed are: Code: 19*2^1-1 is prime! (2 decimal digits) 19*2^3-1 is prime! (3 decimal digits) 19*2^5-1 is prime! (3 decimal digits) 19*2^21-1 is prime! (8 decimal digits) 19*2^41-1 is prime! (14 decimal digits) 19*2^49-1 is prime! (17 decimal digits) 19*2^89-1 is prime! (29 decimal digits) 19*2^133-1 is prime! (42 decimal digits) 19*2^141-1 is prime! (44 decimal digits) 19*2^165-1 is prime! (51 decimal digits) 19*2^189-1 is prime! (59 decimal digits) 19*2^293-1 is prime! (90 decimal digits) 19*2^305-1 is prime! (94 decimal digits) 19*2^395-1 is prime! (121 decimal digits) 19*2^651-1 is prime! (198 decimal digits) 19*2^665-1 is prime! (202 decimal digits) 19*2^771-1 is prime! (234 decimal digits) 19*2^801-1 is prime! (243 decimal digits) 19*2^923-1 is prime! (280 decimal digits) 19*2^953-1 is prime! (289 decimal digits) 19*2^3689-1 is prime! (1112 decimal digits) 19*2^5315-1 is prime! (1602 decimal digits) 19*2^6989-1 is prime! (2106 decimal digits) 19*2^15641-1 is prime! (4710 decimal digits) 19*2^48819-1 is prime! (14698 decimal digits) 19*2^78389-1 is prime! (23599 decimal digits) 19*2^134053-1 is prime! (40356 decimal digits) 19*2^167843-1 is prime! (50528 decimal digits) 19*2^181395-1 is prime! (54607 decimal digits) 19*2^311091-1 is prime! (93650 decimal digits) 19*2^353661-1 is prime! (106464 decimal digits) 19*2^645555-1 is prime! (194333 decimal digits) 19*2^916763-1 is prime! (275975 decimal digits) 19*2^1325245-1 is prime! (398940 decimal digits) 19*2^1434165-1 is prime! (431728 decimal digits) 19*2^1684813-1 is prime! (507181 decimal digits)
Double checking k=19 is complete to n=2176K. No problems found, and the results are attached.

edit: I'm not planning on doing any further doublechecking on this k.
Attached Files
 1787500 - 2176000.txt (822.0 KB, 24 views)

Last fiddled with by MooMoo2 on 2022-10-02 at 17:24

 Similar Threads Thread Thread Starter Forum Replies Last Post pinhodecarlos Prime Gap Searches 13 2017-12-09 06:07 137ben PrimeNet 6 2012-03-13 04:01 Unregistered Information & Answers 19 2011-07-29 09:57 jobhoti Math 17 2004-05-21 05:02 Quacky Lounge 5 2003-12-03 02:20

All times are UTC. The time now is 20:17.

Tue Nov 29 20:17:30 UTC 2022 up 103 days, 17:46, 0 users, load averages: 0.68, 1.02, 1.03