M279 823 Mersenne number exponent details

	Trial Factoring	P-1 Factoring	Combined
Limit	GHz-days	Probability	B1	B2	GHz-days	Probability	GHz-days	Probability
Actual	2⁶⁸	213.0092	72.0588%	137000000	2811346287750	1,518.9419	22.5808%	1,731.9511	78.3682%
Target	2⁴⁴	0.0000	56.8182%	5000	650000	0.0004	10.8381%	0.0004	61.4983%
Difference	+24	+213.0092	+15.2406%	+136995000	+2811345637750	+1,518.9415	+11.7427%	+1,731.9507	+16.8699%

	GHz-Days	worth	Factor probability
date	userid	compid	b1	b2	e	stage	factor	digits	bits*	spent	saved
2001-04-15	ANONYMOUS	v4_computers	100000	4000000		-		-	-	0.003	-	-	2.022%
2001-06-30	ANONYMOUS	v4_computers	100000	10000000		-		-	-	0.006	-	-	2.450%
2002-06-09	ANONYMOUS	v4_computers	32768	3276800		-		-	-	0.002	-	-	1.378%
2002-08-10	ANONYMOUS	v4_computers	65536	6553600		-		-	-	0.004	-	-	2.005%
2003-03-16	ANONYMOUS	v4_computers	131072	13107200		-		-	-	0.008	-	-	2.758%
2003-11-28	ANONYMOUS	v4_computers	262144	26214400		-		-	-	0.017	-	-	3.626%
2006-01-15	Jocelyn Larouche	v4_computers	279823	279823		-		-	-	0.003	-	-	0.992%
2011-06-27	Jocelyn Larouche	Manual testing	1039327	1039327		-		-	-	0.010	-	-	1.837%
2011-07-24	Jocelyn Larouche	Manual testing	1732211	1732211		-		-	-	0.017	-	-	2.252%
2012-02-26	Jocelyn Larouche	Manual testing	2165264	2165264		-		-	-	0.021	-	-	2.448%
2012-05-08	Jocelyn Larouche	Manual testing	5196635	5196635		-		-	-	0.051	-	-	3.304%
2013-10-28	David Campeau	i5-2500k	5360000	203680000		-		-	-	0.160	-	-	7.416%
2016-05-13	mikr	S052	60000000	3000000000	12	-		-	-	2.182	-	-	12.266%
2016-05-13	mognuts	Manual testing	3129	78225		-		-	-	7.15425e-5	-	-	0.131%
2022-06-21	Sid & Andy	Barrel_Of_Monkeys	137000000	2811346287750		-		-	-	1,519	-	-	22.581%

date	userid	compid	b1	b2	start	factor	bits*	ghz-days
2023-01-27	masser	Manual testing	20000000	620000000	2	7	-	-	0.631
2023-01-28	masser	Manual testing	20000000	620000000	88	53	-	-	0.631
2023-02-05	masser	Manual testing	20000000	620000000	6	5	-	-	0.631

	Bits	Factor	GHz-Days	worth
date	userid	compid	from	to	factor	bits*	digits	spent	saved
1999-11-24	ANONYMOUS	v4_computers	2⁵²	2⁵³		-	-	0.002	-	-
2000-05-05	ANONYMOUS	v4_computers	2¹	2⁵⁴		-	-	0.009	-	-
2022-03-07	LordJulius	Manual testing	2⁵⁴	2⁵⁵		-	-	0.009	-	-
2001-02-25	ANONYMOUS	v4_computers	2¹	2⁵⁶		-	-	0.034	-	-
2002-03-16	ANONYMOUS	v4_computers	2¹	2⁵⁷		-	-	0.069	-	-
2016-02-23	Mark Rose	Manual testing	2⁵⁷	2⁵⁸		-	-	0.069	-	-
2009-01-01	Sturle Sunde	jodel.ifi	2⁵⁸	2⁵⁹		-	-	0.137	-	-
2009-02-06	Sturle Sunde	gooch.ifi	2⁵⁹	2⁶⁰		-	-	0.274	-	-
2013-06-29	lycorn	asteroid	2⁶⁰	2⁶¹		-	-	0.549	-	-
2015-08-13	NR	Manual testing	2⁶¹	2⁶²		-	-	1.098	-	-
2016-02-06	Gordon Spence	Manual testing	2⁶²	2⁶³		-	-	3.508	-	-
2016-02-06	Gordon Spence	Manual testing	2⁶³	2⁶⁴		-	-	7.016	-	-
2018-02-26	BloodERazor	Manual testing	2⁶⁴	2⁶⁵		-	-	13.35	-	-
2018-03-29	Gordon Spence	Manual testing	2⁶⁴	2⁶⁵		-	-	13.35	-	-
2019-12-20	Yxinity	Manual testing	2⁶⁵	2⁶⁶		-	-	26.71	-	-
2020-01-06	Gordon Spence	Manual testing	2⁶⁵	2⁶⁶		-	-	26.71	-	-
2023-03-22	tim s	voyager1	2⁶⁶	2⁶⁷		-	-	53.41	-	-
2023-10-29	tim s	Votager2_	2⁶⁷	2⁶⁸		-	-	106.8	-	-

ECM factoring results:

Total ECM effort:	23.433 GHz-days
Estimated T-Level:	29.498

Digits	B1	Complete	FacMiss
20	11000	59.899	0.000%
25	50000	8.554	0.019%
30	250000	0.900	40.671%
35	1000000	0.074	92.871%
40	3000000	0.005	99.506%

ECM Summary

B1	B2	curves	GHz-days
50000	5000000	281	2.054
250000	25000000	375	13.70
350000	35000000	150	7.675

ECM Details

										GHz-Days
date	userid	compid	b1	b2	factor	bits*	curve#	stage#	sigma	numcurves	spent
2007-08-14	ANONYMOUS	Bayes	50000	5000000						1	0.007
2007-08-26	Chad Davis	Bayes	50000	5000000						1	0.007
2007-09-08	Team_Bundu	bundu1	50000	5000000						1	0.007
2007-10-07	Team_Bundu	bundu1	50000	5000000						1	0.007
2007-12-28	Chad Davis	Bayes	50000	5000000						1	0.007
2007-12-28	Chad Davis	Bayes	50000	5000000						1	0.007
2007-12-28	Chad Davis	Bayes	50000	5000000						1	0.007
2007-12-28	Steve Scott	Epox	50000	5000000						1	0.007
2007-12-28	Steve Scott	805D	50000	5000000						1	0.007
2007-12-29	Steve Scott	Celeron	50000	5000000						1	0.007
2008-02-15	Steve Scott	Abit-2	50000	5000000						3	0.022
2008-08-26	Sturle Sunde	v22	50000	5000000						3	0.022
2008-09-21	Sturle Sunde	v22	50000	5000000						3	0.022
2008-10-24	Jayson King	atlas	50000	5000000						3	0.022
2008-11-25	Matthias Wurtinger	WUR_E6600	50000	5000000						3	0.022
2008-12-22	Sturle Sunde	v17	50000	5000000						3	0.022
2009-02-01	Sturle Sunde	v22	50000	5000000						3	0.022
2009-02-25	Sturle Sunde	v21	50000	5000000						3	0.022
2009-03-17	James Heinrich	WHS	50000	5000000						3	0.022
2009-04-08	James Hintz	14_060209	50000	5000000						3	0.022
2009-04-16	linded	kctz74z	50000	5000000						3	0.022
2009-04-20	linded	kctz73a	50000	5000000						3	0.022
2009-04-21	linded	kctz73a	50000	5000000						3	0.022
2009-04-28	Sturle Sunde	v23	50000	5000000						3	0.022
2009-05-02	Sturle Sunde	v21	50000	5000000						3	0.022
2009-05-07	Sturle Sunde	v21	50000	5000000						3	0.022
2009-05-10	Sturle Sunde	v21	50000	5000000						3	0.022
2009-05-14	Sturle Sunde	v21	50000	5000000						3	0.022
2009-05-19	Sturle Sunde	v21	50000	5000000						3	0.022
2009-05-23	Sturle Sunde	v21	50000	5000000						3	0.022
2009-05-28	Sturle Sunde	v23	50000	5000000						3	0.022
2009-06-01	Sturle Sunde	v21	50000	5000000						3	0.022
2009-06-05	Sturle Sunde	v21	50000	5000000						3	0.022
2009-06-10	Sturle Sunde	v21	50000	5000000						3	0.022
2009-06-15	Sturle Sunde	v21	50000	5000000						3	0.022
2009-06-23	Sturle Sunde	v23	50000	5000000						3	0.022
2009-07-04	Sturle Sunde	v23	50000	5000000						3	0.022
2009-07-18	Sturle Sunde	v21	50000	5000000						3	0.022
2009-08-02	Sturle Sunde	v23	50000	5000000						3	0.022
2009-08-16	Sturle Sunde	v21	50000	5000000						3	0.022
2009-08-26	Sturle Sunde	v23	50000	5000000						3	0.022
2009-08-29	ANONYMOUS	v23	50000	5000000						3	0.022
2009-09-01	Ryan Schulz	T7400	50000	5000000						3	0.022
2009-09-05	Sturle Sunde	v21	50000	5000000						3	0.022
2009-09-09	Sturle Sunde	v23	50000	5000000						3	0.022
2009-09-12	Sturle Sunde	v23	50000	5000000						3	0.022
2009-09-16	Sturle Sunde	v21	50000	5000000						3	0.022
2009-09-19	Sturle Sunde	v23	50000	5000000						3	0.022
2009-09-24	linded	23G4692-Lib1	50000	5000000						3	0.022
2009-09-27	Sturle Sunde	v23	50000	5000000						3	0.022
2009-10-01	Sturle Sunde	v23	50000	5000000						3	0.022
2009-10-07	Sturle Sunde	v21	50000	5000000						3	0.022
2009-10-13	Sturle Sunde	v21	50000	5000000						3	0.022
2009-10-17	ANONYMOUS	v23	50000	5000000						3	0.022
2009-10-21	Sturle Sunde	v23	50000	5000000						3	0.022
2009-10-24	Sturle Sunde	v23	50000	5000000						3	0.022
2009-10-27	Sturle Sunde	v21	50000	5000000						3	0.022
2009-10-30	Sturle Sunde	v23	50000	5000000						3	0.022
2009-11-05	Sturle Sunde	v21	50000	5000000						3	0.022
2009-11-05	Sturle Sunde	v21	50000	5000000						3	0.022
2009-11-08	Sturle Sunde	v23	50000	5000000						3	0.022
2009-11-11	Sturle Sunde	v21	50000	5000000						3	0.022
2009-11-16	Sturle Sunde	v21	50000	5000000						3	0.022
2009-11-20	Dalos Lee	dalosdesk	50000	5000000						3	0.022
2009-11-24	ANONYMOUS	v21	50000	5000000						3	0.022
2009-11-27	Sturle Sunde	v21	50000	5000000						3	0.022
2009-11-30	Sturle Sunde	v23	50000	5000000						3	0.022
2009-12-04	Sturle Sunde	v21	50000	5000000						3	0.022
2009-12-08	Sturle Sunde	v21	50000	5000000						3	0.022
2009-12-11	Sturle Sunde	v21	50000	5000000						3	0.022
2009-12-15	Sturle Sunde	v23	50000	5000000						3	0.022
2009-12-19	ANONYMOUS	v23	50000	5000000						3	0.022
2009-12-26	Sturle Sunde	v23	50000	5000000						3	0.022
2010-01-03	Sturle Sunde	v23	50000	5000000						3	0.022
2010-01-07	Sturle Sunde	v21	50000	5000000						3	0.022
2010-01-13	ANONYMOUS	v21	50000	5000000						3	0.022
2010-01-16	Sturle Sunde	v21	50000	5000000						3	0.022
2010-01-20	ANONYMOUS	v23	50000	5000000						3	0.022
2010-01-24	Sturle Sunde	v21	50000	5000000						3	0.022
2010-01-28	Sturle Sunde	v23	50000	5000000						3	0.022
2010-01-31	Sturle Sunde	v23	50000	5000000						3	0.022
2010-02-03	Sturle Sunde	v23	50000	5000000						3	0.022
2010-02-06	Sturle Sunde	v21	50000	5000000						3	0.022
2010-02-10	Sturle Sunde	v21	50000	5000000						3	0.022
2010-02-15	Sturle Sunde	v23	50000	5000000						3	0.022
2010-02-19	Dmitry B. Khachaturov	dix-dubna	50000	5000000						3	0.022
2010-02-25	Sturle Sunde	v23	50000	5000000						3	0.022
2010-03-05	Sturle Sunde	v23	50000	5000000						3	0.022
2010-03-12	Sturle Sunde	v23	50000	5000000						3	0.022
2010-04-08	James Hintz	NEW_OMFG	50000	5000000						5	0.037
2010-04-08	Sturle Sunde	v23	50000	5000000						3	0.022
2010-04-08	Sturle Sunde	v21	50000	5000000						3	0.022
2010-04-08	ANONYMOUS	v23	50000	5000000						3	0.022
2010-04-08	ANONYMOUS	v23	50000	5000000						3	0.022
2010-04-09	Sturle Sunde	v23	50000	5000000						3	0.022
2010-04-17	Sturle Sunde	v21	50000	5000000						3	0.022
2010-04-21	Sturle Sunde	v23	50000	5000000						3	0.022
2010-04-25	Sturle Sunde	v23	50000	5000000						3	0.022
2010-04-27	James Hintz	NEW_OMFG	50000	5000000						5	0.037
2010-05-04	Sturle Sunde	v23	250000	25000000						3	0.110
2010-05-22	Beat Bucheli	I7	250000	25000000						3	0.110
2010-06-02	ANONYMOUS	v21	250000	25000000						3	0.110
2010-06-17	Sturle Sunde	v23	250000	25000000						3	0.110
2010-07-20	Sturle Sunde	v21	250000	25000000						3	0.110
2010-08-28	Sturle Sunde	v23	250000	25000000						3	0.110
2010-09-21	Sturle Sunde	v21	250000	25000000						3	0.110
2010-10-16	Sturle Sunde	v23	250000	25000000						3	0.110
2010-11-07	Sturle Sunde	v21	250000	25000000						3	0.110
2010-12-03	Sturle Sunde	v21	250000	25000000						3	0.110
2010-12-25	ANONYMOUS	v23	250000	25000000						3	0.110
2011-01-20	ANONYMOUS	v23	250000	25000000						3	0.110
2011-02-09	ANONYMOUS	v21	250000	25000000						3	0.110
2011-03-12	Sturle Sunde	v23	250000	25000000						3	0.110
2011-04-15	Sturle Sunde	v23	250000	25000000						3	0.110
2011-05-14	Sturle Sunde	v21	250000	25000000						3	0.110
2011-05-31	Sturle Sunde	v23	250000	25000000						3	0.110
2011-07-06	Sturle Sunde	001CC4F0E4FD	250000	25000000						3	0.110
2011-09-09	Sturle Sunde	v21	250000	25000000						3	0.110
2011-10-07	Sturle Sunde	v21	250000	25000000						3	0.110
2011-11-13	Sturle Sunde	v21	250000	25000000						3	0.110
2012-01-08	Sturle Sunde	v21	250000	25000000						3	0.110
2012-02-15	Sturle Sunde	v21	250000	25000000						3	0.110
2012-04-03	Sturle Sunde	v23	250000	25000000						3	0.110
2012-05-17	Sturle Sunde	v21	250000	25000000						3	0.110
2012-11-03	TURKIYE TURKIYE TURKIYE	456	250000	25000000						3	0.110
2013-03-01	Sturle Sunde	v23	250000	25000000						3	0.110
2014-01-09	Sturle Sunde	v23	250000	25000000						3	0.110
2015-05-31	XZT	Tablet	250000	25000000						3	0.110
2015-11-12	Bruce	Desk8	250000	25000000						3	0.110
2015-11-19	Bruce	Desk7	250000	25000000						3	0.110
2015-11-25	Bruce	Desk7	250000	25000000						3	0.110
2015-11-30	Bruce	Desk7	250000	25000000						3	0.110
2015-12-06	XZT	Tablet	250000	25000000						3	0.110
2015-12-10	Bruce	Desk8	250000	25000000						3	0.110
2015-12-22	Bruce	Desk8	250000	25000000						3	0.110
2016-01-01	Bruce	Desk8	250000	25000000						3	0.110
2016-01-12	Bruce	Desk8	250000	25000000						3	0.110
2016-01-23	Bruce	Desk8	250000	25000000						3	0.110
2016-02-01	Bruce	Desk8	250000	25000000						3	0.110
2016-03-10	lettp	Home	250000	25000000						3	0.110
2016-03-17	lettp	Home	250000	25000000						3	0.110
2016-05-06	macpheeb	netbook	250000	25000000						3	0.110
2016-08-20	Larry Hanes	C500A6AD8	250000	25000000						3	0.110
2016-11-25	Yuri Sereda	jupiter	250000	25000000						3	0.110
2016-12-23	Yuri Sereda	jupiter	250000	25000000						3	0.110
2017-03-17	macpheeb	netbook	250000	25000000						3	0.110
2017-05-09	macpheeb	netbook	250000	25000000						3	0.110
2017-07-09	macpheeb	netbook	250000	25000000						3	0.110
2017-11-27	Stefan G. Hoffmann	PC-PT-2017-Dell	250000	25000000						3	0.110
2017-12-22	Stefan G. Hoffmann	PC-PT-2017-Dell	250000	25000000						3	0.110
2018-01-15	Stefan G. Hoffmann	PC-PT-2017-Dell	250000	25000000						3	0.110
2018-03-06	lycorn	asteroid	350000	35000000						150	7.675
2019-09-20	lycorn	supernova	250000	25000000						219	8.004

0M	<	10¹⁰	All tracked exponents
0M	<	2³²	GPU TF range
0M	<	1000M	PrimeNet range
0M	<	193M	low-PrimeNet, low-res
0M	<	385M	low-PrimeNet, high-res
50M	<	146M	PrimeNet wavefront

date	userid	compid	res64	spent (GHz-days)
1997-01-01	Brian J. Beesley	samson	AF18BF2F05C1F020	0.002
2001-12-01	ANONYMOUS	v4_computers	AF18BF2F05C1F020	0.002