Cullen prime ranges checked out and done
Below are the ranges of numbers that have been checked
recently or reserved for checking for Cn
= n2^n+1. Check the "Cullen main page"
link below for other ranges already checked. Select a range of n
to test and reserve it here to add
it to the following list. This list will display the most recent
additions first.
If your primes are large enough to be recorded on the list of Largest
Known Primes, then you will want to submit it using the submission
pages.
User ID: PrimeGrid <sieve@primegrid.com>
Range of N: 5000000 - 5500000 checked - Wednesday, September 10, 2008 at 1:08:37 (GMT)
User ID: PrimeGrid <sieve@primegrid.com>
Range of N: 4750000 - 5000000 checked - Wednesday, July 9, 2008 at 13:30:07 (GMT)
User ID: PrimeGrid <sieve@primegrid.com>
Range of N: 4500000 - 4750000 checked - Friday, June 27, 2008 at 5:38:06 (GMT)
User ID: PrimeGrid <sieve@primegrid.com>
Range of N: 4250000-4500000 checked - Wednesday, April 30, 2008 at 14:00:36 (GMT)
User ID: PrimeGrid <sieve@primegrid.com>
Range of N: 4000000 - 4250000 checked - Tuesday, March 11, 2008 at 18:49:53 (GMT)
User ID: PrimeGrid <sieve@primegrid.com>
Range of N: 3000000-4000000 checked - Wednesday, February 13, 2008 at 2:58:22 (GMT)
User ID: PrimeGrid <sieve@primegrid.com>
Range of N: 2000000 - 3000000 checked - Wednesday, November 14, 2007 at 22:32:28 (GMT)
User ID: PrimeGrid <sieve@primegrid.com>
Range of N: 250000 - 2000000 double check complete checked - Wednesday, November 14, 2007 at 22:30:50 (GMT)
User ID: PrimeGrid <sieve@primegrid.com>
Range of N: 3000000 - 5000000 reserved - Saturday, September 1, 2007 at 21:40:32 (GMT)
User ID: PrimeGrid <sieve@primegrid.com>
Range of N: 2000000 - 3000000 reserved - Thursday, August 30, 2007 at 2:57:17 (GMT)
User ID: PrimeGrid <pgsieving@yahoo.com>
Range of N: 250000 - 2000000 for double check reserved - Thursday, August 9, 2007 at 15:06:02 (GMT)
User ID: PrimeGrid <pgsieving@yahoo.com>
Range of N: 1 - 250000 double check complete checked - Tuesday, July 17, 2007 at 6:14:26 (GMT)
User ID: PrimeGrid <pgsieving@yahoo.com>
Range of N: 1-250000 for double check reserved - Saturday, July 14, 2007 at 13:11:01 (GMT)
User ID: cullenfinder <hugoplatzer@aon.at>
Range of N: 2000000-2000100 checked - Saturday, October 7, 2006 at 12:05:25 (GMT)
User ID: cullenfinder <hugoplatzer@aon.at>
Range of N: 2000000-2000100 reserved - Saturday, October 7, 2006 at 9:10:24 (GMT)
User ID: cullenfinder <hugoplatzer@aon.at>
Range of N: 1504000 - 1505000 reserved - Thursday, October 5, 2006 at 14:31:23 (GMT)
User ID: woodalfinder <hugoplatzer@aon.at>
Range of N: 1220000-1225000 reserved - Wednesday, October 4, 2006 at 19:06:38 (GMT)
User ID: Predrag Minovic <pminovic@yahoo.com>
Range of N: 1,150,000-1,160,000 checked - Sunday, March 12, 2006 at 0:36:48 (GMT)
User ID: t townsend <tltown2004@yahoo.co.uk>
Range of N: 1510000-1512000 - Friday, January 20, 2006 at 12:38:31 (GMT)
User ID: t townsend <tltown@yahoo.co.uk>
Range of N: 1510000 reserved - Saturday, January 14, 2006 at 12:39:09 (GMT)
User ID: Hauke Worpel <hw1[at]email[dot]com>
Range of N: 1520001-1524000 reserved - Monday, December 26, 2005 at 11:01:42 (GMT)
User ID: Hauke Worpel <hw1[at]email[dot]com>
Range of N: 1501501-1520000 checked - Sunday, December 25, 2005 at 22:05:47 (GMT)
User ID: Mikael <Mikael_Hammarlind@Hotmail.com>
Range of N: 1591000-1592000 reserved - Saturday, December 3, 2005 at 18:44:24 (GMT)
User ID: Mikael <Mikael_Hammarlind@Hotmail.com>
Range of N: 50-500 reserved - Saturday, December 3, 2005 at 18:42:43 (GMT)
User ID: fred <fwcole@gmail.com>
Range of N: 1590000-1591000 reserved - Monday, October 31, 2005 at 5:20:40 (GMT)
User ID: Hauke Worpel <hw1@email.com>
Range of N: 1501501-1520000 reserved - Sunday, October 30, 2005 at 21:10:44 (GMT)
User ID: Hauke Worpel <hw1@email.com>
Range of N: 1500000-1501500 checked - Sunday, October 30, 2005 at 21:10:03 (GMT)
User ID: Hauke Worpel <hw1@email.com>
Range of N: 1501001-1501500 reserved - Wednesday, October 26, 2005 at 22:53:13 (GMT)
User ID: Hauke Worpel <hw1@email.com>
Range of N: 1500000-1501000 reserved - Saturday, October 22, 2005 at 13:33:23 (GMT)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 1200000-1500000, prime 1354828*2^1354828+1 checked - Tuesday, October 11, 2005 at 21:35:01 (GMT)
User ID: Mikael Hammarlind <mikael_hammarlind@Hotmail.com>
Range of N: 85900-86000 checked - Saturday, September 24, 2005 at 3:35:40 (GMT)
User ID: Jiong Sun <jiongsun@yahoo.com>
Range of N: 1,080,000-1,100,000 checked - Sunday, August 14, 2005 at 1:28:18 (GMT)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 1350000-1500000 reserved - Saturday, August 6, 2005 at 12:41:44 (GMT)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 1250000-1350000 reserved - Friday, July 29, 2005 at 15:40:24 (GMT)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 1200000-1250000 reserved - Tuesday, July 26, 2005 at 19:05:02 (GMT)
User ID: Darren Bedwell <darren[dot]bedwell[at]gmail[dot]com>
Range of N: 1160000-1169999 checked - Monday, July 18, 2005 at 14:02:31 (GMT)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 1,120,000-1,150,000 checked - Tuesday, July 5, 2005 at 12:39:48 (GMT)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 1,076,632-1,080,000 checked - Tuesday, July 5, 2005 at 12:38:51 (GMT)
User ID: Predrag Minovic <pminovic@yahoo.com>
Range of N: 1,115,000-1,120,000 checked - Tuesday, June 28, 2005 at 21:28:38 (GMT)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 1,030,000-1,040,000 checked - Tuesday, June 28, 2005 at 12:39:06 (GMT)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 1,076,632-1,080,000 reserved - Monday, June 27, 2005 at 12:49:05 (GMT)
User ID: Darren Bedwell <darren[dot]bedwell[at]gmail[dot]com>
Range of N: 1170000-1179999 checked - Monday, June 27, 2005 at 0:14:56 (GMT)
User ID: Darren Bedwell <darren[dot]bedwell[at]gmail[dot]com>
Range of N: 1180000-1189999 checked - Monday, June 20, 2005 at 14:18:57 (GMT)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 1000000-1005000 checked - Monday, June 20, 2005 at 12:38:24 (GMT)
User ID: Predrag Minovic <pminovic@yahoo.com>
Range of N: 1,150,000-1,160,000 reserved - Monday, June 20, 2005 at 2:08:36 (GMT)
User ID: Darren Bedwell <darren[dot]bedwell[at]gmail[dot]com>
Range of N: 1160000-1169999 reserved - Thursday, June 16, 2005 at 15:35:35 (GMT)
User ID: Darren Bedwell <darren[dot]bedwell[at]gmail[dot]com>
Range of N: 1170000-1179999 reserved - Thursday, June 16, 2005 at 15:35:28 (GMT)
User ID: Darren Bedwell <darren[dot]bedwell[at]gmail[dot]com>
Range of N: 1180000-1189999 reserved - Thursday, June 16, 2005 at 15:35:08 (GMT)
User ID: Predrag Minovic <pminovic@yahoo.com>
Range of N: 1,110,000-1,115,000 checked - Wednesday, June 15, 2005 at 15:30:45 (GMT)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 1,120,000-1,150,000 reserved - Tuesday, June 14, 2005 at 13:05:39 (GMT)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 1,030,000-1,040,000 reserved - Monday, June 13, 2005 at 12:43:38 (GMT)
User ID: Darren Bedwell <darren[dot]bedwell[at]gmail[dot]com>
Range of N: 1190000-1199999 checked - Thursday, June 2, 2005 at 21:31:41 (GMT)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 1000000-1005000 reserved - Tuesday, May 31, 2005 at 15:00:00 (GMT)
User ID: Jiong Sun <jiongsun@yahoo.com>
Range of N: 1,040,000-1,050,000 checked -
User ID: Darren Bedwell <darren[dot]bedwell[at]gmail[dot]com>
Range of N: 1190000-1196000 checked -
User ID: Shaopu Lin <a9336607@st2.fju.edu.tw>
Range of N: 1~100000 checked - Wednesday, March 09, 2005 at 04:42:18 (CST)
User ID: Predrag Minovic <pminovic@yahoo.com>
Range of N: 1,110,000-1,120,000 reserved - Saturday, March 05, 2005 at 06:17:20 (CST)
User ID: Predrag Minovic <pminovic@yahoo.com>
Range of N: 1,100,000-1,110,000 checked - Saturday, March 05, 2005 at 06:16:28 (CST)
User ID: Jiong Sun <jiongsun@yahoo.com>
Range of N: 1,080,000-1,100,000 reserved - Sunday, January 23, 2005 at 13:29:52 (CST)
User ID: Jiong Sun <jiongsun@yahoo.com>
Range of N: 1,050,000-1,070,000 checked - Sunday, January 23, 2005 at 13:29:30 (CST)
User ID: Predrag Minovic <pminovic@yahoo.com>
Range of N: 1,100,000-1,110,000 reserved - Thursday, January 20, 2005 at 07:07:42 (CST)
User ID: Mikael Hammarlind <Mikael_Hammarlind@Hotmail.com>
Range of N: 859000-860000 reserved - Sunday, December 19, 2004 at 01:10:32 (CST)
User ID: Tunschi Alexandru-Radu <alex_da_fixeru@apropo.ro>
Range of N: 1070000-1080000 reserved - Wednesday, November 24, 2004 at 15:32:10 (CST)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 930000-950000 (should be done to 1000000) checked - Saturday, November 13, 2004 at 07:19:58 (CST)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 812000-814000 checked - Thursday, November 11, 2004 at 16:39:51 (CST)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 810000-811000 checked - Wednesday, November 10, 2004 at 19:45:58 (CST)
User ID: george podaras <xifias58@in.gr>
Range of N: 900000-902000 reserved - Tuesday, November 09, 2004 at 20:50:47 (CST)
User ID: george. <xifias58@in.gr>
Range of N: 900000-902000 reserved - Tuesday, November 09, 2004 at 20:50:23 (CST)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 812000-814000 reserved - Tuesday, November 09, 2004 at 12:38:55 (CST)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 810000-811000 reserved - Tuesday, November 09, 2004 at 12:38:49 (CST)
User ID: Mikael Hammarlind <Mikael_Hammarlind@Hotmail.com>
return - Sunday, November 07, 2004 at 05:52:36 (CST)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 878000-880000 checked - Friday, November 05, 2004 at 09:36:06 (CST)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 850000-876000 checked - Friday, November 05, 2004 at 07:29:58 (CST)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 900000-925000 checked - Wednesday, November 03, 2004 at 07:26:34 (CST)
User ID: richard kapek <lalera@europe.com>
Range of N: 950000-960000 checked - Saturday, October 30, 2004 at 04:15:48 (CDT)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 881000-900000 checked - Friday, October 08, 2004 at 19:05:42 (CDT)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 930000-950000 reserved - Tuesday, October 05, 2004 at 07:26:59 (CDT)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 930000-960000 reserved - Tuesday, October 05, 2004 at 07:26:36 (CDT)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 900000-925000 reserved - Tuesday, October 05, 2004 at 07:26:28 (CDT)
User ID: richard kapek <lalera@europe.com>
Range of N: 950000-960000 reserved - Tuesday, October 05, 2004 at 04:20:10 (CDT)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 881000-900000 reserved - Monday, September 20, 2004 at 08:50:04 (CDT)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 878000-880000 reserved - Thursday, September 09, 2004 at 07:45:09 (CDT)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 850000-876000 reserved - Thursday, September 09, 2004 at 07:44:12 (CDT)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 848000-850000 checked - Monday, August 30, 2004 at 07:33:10 (CDT)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 830000-840000 checked - Friday, August 27, 2004 at 12:50:16 (CDT)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 848000-850000 reserved - Monday, August 09, 2004 at 07:50:00 (CDT)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 830000-840000 reserved - Monday, August 09, 2004 at 07:49:46 (CDT)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 815000-830000 checked - Sunday, August 08, 2004 at 19:26:31 (CDT)
User ID: richard kapek <lalera@europe.com>
Range of N: 970000-1000000 checked - Thursday, August 05, 2004 at 04:43:02 (CDT)
User ID: Margus Sõmer <margus@suurem.edu.ee>
Range of N: 880000-881000 checked - Tuesday, July 06, 2004 at 15:57:38 (CDT)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 770000-780000 checked - Tuesday, July 06, 2004 at 07:49:23 (CDT)
User ID: Jiong Sun <jiongsun@yahoo.com>
Range of N: 1060000-1070000 reserved - Monday, July 05, 2004 at 09:44:01 (CDT)
User ID: Jiong Sun <jiongsun@yahoo.com>
Range of N: 1050000-1060000 reserved - Monday, July 05, 2004 at 09:43:45 (CDT)
User ID: Mark Rodenkirch <rogue@wi.rr.com>
Range of N: 815000-830000 reserved - Wednesday, June 30, 2004 at 11:06:22 (CDT)
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