M248 401 Mersenne number exponent details

	Trial Factoring	P-1 Factoring	Combined
Limit	GHz-days	Probability	B1	B2	GHz-days	Probability	GHz-days	Probability
Actual	2⁶⁷	119.6208	73.1343%	120000000	4944168869640	2,192.5633	24.1739%	2,312.1841	79.6288%
Target	2⁴⁴	0.0000	59.0909%	4500	110000	0.0001	10.1502%	0.0001	63.2433%
Difference	+23	+119.6208	+14.0434%	+119995500	+4944168759640	+2,192.5632	+14.0237%	+2,312.1840	+16.3856%

	GHz-Days	worth	Factor probability
date	userid	compid	b1	b2	e	stage	factor	digits	bits*	spent	saved
2000-11-25	ANONYMOUS	v4_computers	100000	4000000		-		-	-	0.003	-	-	2.242%
2001-06-09	ANONYMOUS	v4_computers	100000	10000000		-		-	-	0.005	-	-	2.709%
2002-06-02	ANONYMOUS	v4_computers	32768	3276800		-		-	-	0.002	-	-	1.551%
2002-08-10	ANONYMOUS	v4_computers	65536	6553600		-		-	-	0.003	-	-	2.231%
2003-03-07	ANONYMOUS	v4_computers	131072	13107200		-		-	-	0.007	-	-	3.039%
2003-11-08	ANONYMOUS	v4_computers	262144	26214400		-		-	-	0.014	-	-	3.964%
2011-02-07	Jocelyn Larouche	Manual testing	2000000	2000000		-		-	-	0.016	-	-	2.599%
2011-07-24	Jocelyn Larouche	Manual testing	2021501	2021501		-		-	-	0.016	-	-	2.609%
2012-02-26	Jocelyn Larouche	Manual testing	2526877	2526877		-		-	-	0.021	-	-	2.825%
2013-10-21	David Campeau	i5-2500k	2635000	89590000		-		-	-	0.060	-	-	6.580%
2016-01-07	Jocelyn Larouche	Manual testing	32252400	322524000	12	-		-	-	0.391	-	-	9.362%
2016-06-27	Jocelyn Larouche	Manual testing	32252400	645048000	12	-		-	-	0.534	-	-	10.380%
2022-06-11	Sid & Andy	Magic_8_Ball	120000000	4944168869640		-		-	-	2,193	-	-	24.174%

date	userid	compid	b1	b2	start	factor	bits*	ghz-days
2023-02-05	masser	Manual testing	30000000	960000000	84	67	-	-	0.775
2023-02-05	masser	Manual testing	30000000	990000000	2	7	-	-	0.788
2023-02-11	masser	Manual testing	30000000	990000000	6	5	-	-	0.788

	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	-	-
2000-04-27	ANONYMOUS	v4_computers	2¹	2⁵⁴		-	-	0.010	-	-
2022-03-07	LordJulius	Manual testing	2⁵⁴	2⁵⁵		-	-	0.010	-	-
2001-02-18	ANONYMOUS	v4_computers	2¹	2⁵⁶		-	-	0.039	-	-
2002-04-14	ANONYMOUS	v4_computers	2¹	2⁵⁷		-	-	0.077	-	-
2016-02-23	Mark Rose	Manual testing	2⁵⁷	2⁵⁸		-	-	0.077	-	-
2009-01-01	Sturle Sunde	gimo.ifi	2⁵⁸	2⁵⁹		-	-	0.155	-	-
2009-01-26	Sturle Sunde	kinner.ifi	2⁵⁹	2⁶⁰		-	-	0.309	-	-
2010-06-01	Architects Cubed	a3_bu2	2⁶⁰	2⁶¹		-	-	0.618	-	-
2015-08-09	snme2pm1	Manual testing	2⁶¹	2⁶²		-	-	1.237	-	-
2016-01-26	Gordon Spence	Manual testing	2⁶²	2⁶³		-	-	3.952	-	-
2016-01-26	Gordon Spence	Manual testing	2⁶³	2⁶⁴		-	-	7.904	-	-
2018-03-12	Gordon Spence	Manual testing	2⁶⁴	2⁶⁵		-	-	15.04	-	-
2019-12-31	Gordon Spence	Manual testing	2⁶⁵	2⁶⁶		-	-	30.08	-	-

ECM factoring results:

Total ECM effort:	19.169 GHz-days
Estimated T-Level:	29.863

Digits	B1	Complete	FacMiss
20	11000	64.129	0.000%
25	50000	9.247	0.010%
30	250000	0.973	37.807%
35	1000000	0.080	92.317%
40	3000000	0.005	99.467%

ECM Summary

B1	B2	factor	curves	GHz-days
50000	5000000		287	1.715
250000	25000000		584	17.45

ECM Details

										GHz-Days
date	userid	compid	b1	b2	factor	bits*	curve#	stage#	sigma	numcurves	spent
2007-08-08	George Woltman	D_P4Debug	50000	5000000						1	0.006
2007-08-17	ANONYMOUS	Bayes	50000	5000000						1	0.006
2007-08-28	Team_Bundu	bundu1	50000	5000000						1	0.006
2007-09-08	Chad Davis	Bayes	50000	5000000						1	0.006
2007-10-05	Chad Davis	Bayes	50000	5000000						1	0.006
2007-12-17	Sturle Sunde	minister	50000	5000000						1	0.006
2007-12-17	Steve Scott	Abit	50000	5000000						1	0.006
2007-12-17	Steve Scott	Abit	50000	5000000						1	0.006
2007-12-17	Steve Scott	Abit	50000	5000000						1	0.006
2007-12-17	Sturle Sunde	minister	50000	5000000						1	0.006
2007-12-17	Sturle Sunde	minister	50000	5000000						1	0.006
2008-01-03	Steve Scott	Abit	50000	5000000						1	0.006
2008-02-23	Sturle Sunde	lara	50000	5000000						3	0.018
2008-08-25	Sturle Sunde	v22	50000	5000000						3	0.018
2008-09-18	Sturle Sunde	v23	50000	5000000						3	0.018
2008-10-16	Sturle Sunde	v23	50000	5000000						3	0.018
2008-11-16	Sturle Sunde	v23	50000	5000000						3	0.018
2008-12-06	Sturle Sunde	v22	50000	5000000						3	0.018
2009-01-13	linded	kctz74z	50000	5000000						3	0.018
2009-02-10	Sturle Sunde	v22	50000	5000000						3	0.018
2009-03-01	Sturle Sunde	v23	50000	5000000						3	0.018
2009-03-17	Sturle Sunde	v21	50000	5000000						3	0.018
2009-04-06	maxybo	CB418E216	50000	5000000						3	0.018
2009-04-15	Sturle Sunde	v21	50000	5000000						3	0.018
2009-04-19	Sturle Sunde	v21	50000	5000000						3	0.018
2009-04-23	Sturle Sunde	v23	50000	5000000						3	0.018
2009-04-26	linded	kctz73a	50000	5000000						3	0.018
2009-04-29	Sturle Sunde	v23	50000	5000000						3	0.018
2009-05-03	Sturle Sunde	v21	50000	5000000						3	0.018
2009-05-07	Sturle Sunde	v21	50000	5000000						3	0.018
2009-05-10	Sturle Sunde	v23	50000	5000000						3	0.018
2009-05-13	Sturle Sunde	v23	50000	5000000						3	0.018
2009-05-18	Sturle Sunde	v23	50000	5000000						3	0.018
2009-05-21	Sturle Sunde	v21	50000	5000000						3	0.018
2009-05-25	Sturle Sunde	v21	50000	5000000						3	0.018
2009-05-29	Sturle Sunde	v21	50000	5000000						3	0.018
2009-06-02	Sturle Sunde	v23	50000	5000000						3	0.018
2009-06-06	Sturle Sunde	v23	50000	5000000						3	0.018
2009-06-06	ANONYMOUS	v23	50000	5000000						3	0.018
2009-06-14	Sturle Sunde	v23	50000	5000000						3	0.018
2009-06-19	Sturle Sunde	v21	50000	5000000						3	0.018
2009-06-29	ClknGo Software	cngws2	50000	5000000						3	0.018
2009-07-11	Sturle Sunde	v21	50000	5000000						3	0.018
2009-07-23	Sturle Sunde	v21	50000	5000000						3	0.018
2009-08-04	Sturle Sunde	v21	50000	5000000						3	0.018
2009-08-17	Sturle Sunde	v21	50000	5000000						3	0.018
2009-08-26	Sturle Sunde	v23	50000	5000000						3	0.018
2009-08-28	Sturle Sunde	v23	50000	5000000						3	0.018
2009-08-31	ANONYMOUS	v23	50000	5000000						3	0.018
2009-09-04	Sturle Sunde	v21	50000	5000000						3	0.018
2009-09-07	Sturle Sunde	v21	50000	5000000						3	0.018
2009-09-10	Sturle Sunde	v21	50000	5000000						3	0.018
2009-09-13	Sturle Sunde	v21	50000	5000000						3	0.018
2009-09-16	Sturle Sunde	v23	50000	5000000						3	0.018
2009-09-20	Sturle Sunde	v23	50000	5000000						3	0.018
2009-09-23	Sturle Sunde	v23	50000	5000000						3	0.018
2009-09-26	Sturle Sunde	v21	50000	5000000						3	0.018
2009-10-01	Sturle Sunde	v21	50000	5000000						3	0.018
2009-10-04	Sturle Sunde	v21	50000	5000000						3	0.018
2009-10-10	Sturle Sunde	v23	50000	5000000						3	0.018
2009-10-14	Sturle Sunde	v21	50000	5000000						3	0.018
2009-10-18	Sturle Sunde	v23	50000	5000000						3	0.018
2009-10-21	Sturle Sunde	v21	50000	5000000						3	0.018
2009-10-24	ANONYMOUS	v21	50000	5000000						3	0.018
2009-10-27	Sturle Sunde	v21	50000	5000000						3	0.018
2009-10-30	Sturle Sunde	v21	50000	5000000						3	0.018
2009-10-31	Sturle Sunde	v21	50000	5000000						3	0.018
2009-11-04	ANONYMOUS	v23	50000	5000000						3	0.018
2009-11-06	ANONYMOUS	v21	50000	5000000						3	0.018
2009-11-09	Sturle Sunde	v23	50000	5000000						3	0.018
2009-11-12	Sturle Sunde	v21	50000	5000000						3	0.018
2009-11-16	Sturle Sunde	v23	50000	5000000						3	0.018
2009-11-19	Sturle Sunde	v21	50000	5000000						3	0.018
2009-11-23	ANONYMOUS	v23	50000	5000000						3	0.018
2009-11-26	ANONYMOUS	v23	50000	5000000						3	0.018
2009-11-29	Sturle Sunde	v21	50000	5000000						3	0.018
2009-12-02	Sturle Sunde	v23	50000	5000000						3	0.018
2009-12-05	ClknGo Software	cngws2	50000	5000000						3	0.018
2009-12-08	Sturle Sunde	v21	50000	5000000						3	0.018
2009-12-11	Sturle Sunde	v21	50000	5000000						3	0.018
2009-12-14	Sturle Sunde	v21	50000	5000000						3	0.018
2009-12-18	Sturle Sunde	v21	50000	5000000						3	0.018
2009-12-24	Sturle Sunde	v21	50000	5000000						3	0.018
2009-12-30	Sturle Sunde	v23	50000	5000000						3	0.018
2010-01-08	Lackó	Iroda_Andras	50000	5000000						3	0.018
2010-01-09	Sturle Sunde	v21	50000	5000000						3	0.018
2010-01-13	Dmitry B. Khachaturov	dix-dubna	50000	5000000						3	0.018
2010-01-16	Sturle Sunde	v23	50000	5000000						3	0.018
2010-01-20	Sturle Sunde	v23	50000	5000000						3	0.018
2010-01-24	Dmitry B. Khachaturov	dix-dubna	50000	5000000						3	0.018
2010-01-26	Sturle Sunde	v21	50000	5000000						3	0.018
2010-01-29	Sturle Sunde	v23	50000	5000000						3	0.018
2010-02-01	Sturle Sunde	v23	50000	5000000						3	0.018
2010-02-04	Sturle Sunde	v21	50000	5000000						3	0.018
2010-02-07	Sturle Sunde	v21	50000	5000000						3	0.018
2010-02-10	Sturle Sunde	v23	50000	5000000						3	0.018
2010-02-14	Sturle Sunde	v21	50000	5000000						3	0.018
2010-02-18	ANONYMOUS	v23	50000	5000000						3	0.018
2010-02-22	Sturle Sunde	v23	50000	5000000						3	0.018
2010-03-03	Sturle Sunde	v21	50000	5000000						3	0.018
2010-03-10	Sturle Sunde	v21	50000	5000000						3	0.018
2010-03-15	Sturle Sunde	v21	50000	5000000						3	0.018
2010-04-06	James Hintz	NEW_OMFG	50000	5000000						5	0.030
2010-04-07	ANONYMOUS	v23	250000	25000000						3	0.090
2010-04-09	Sturle Sunde	v21	250000	25000000						3	0.090
2010-04-12	James Hintz	05_122109	250000	25000000						11	0.329
2010-04-18	James Hintz	05_122109	250000	25000000						3	0.090
2010-04-21	James Hintz	05_122109	250000	25000000						3	0.090
2010-08-23	Sturle Sunde	v21	250000	25000000						3	0.090
2010-09-28	David Bessell	T413	250000	25000000						3	0.090
2010-10-07	Sturle Sunde	v21	250000	25000000						3	0.090
2010-10-25	Sturle Sunde	v23	250000	25000000						3	0.090
2010-11-17	Dmitry B. Khachaturov	dix-dubna	250000	25000000						3	0.090
2010-12-08	David Bessell	T413	250000	25000000						3	0.090
2010-12-28	David Bessell	T413	250000	25000000						3	0.090
2011-01-19	Sturle Sunde	v23	250000	25000000						3	0.090
2011-02-06	rduerr	freude	250000	25000000						3	0.090
2011-03-02	Sturle Sunde	v21	250000	25000000						3	0.090
2011-04-03	Dmitry B. Khachaturov	dix-dubna	250000	25000000						3	0.090
2011-05-03	Sturle Sunde	v23	250000	25000000						3	0.090
2011-05-21	Sturle Sunde	v21	250000	25000000						3	0.090
2011-06-04	Sturle Sunde	v21	250000	25000000						3	0.090
2011-07-16	Sturle Sunde	v21	250000	25000000						3	0.090
2011-09-10	David Bessell	T413	250000	25000000						3	0.090
2011-10-04	Sturle Sunde	v21	250000	25000000						3	0.090
2011-11-05	Sturle Sunde	001CC4F0E695	250000	25000000						3	0.090
2011-12-11	Sturle Sunde	v21	250000	25000000						3	0.090
2012-01-31	David Bessell	T413	250000	25000000						3	0.090
2012-03-06	David Bessell	T413	250000	25000000						3	0.090
2012-04-18	David Bessell	T413	250000	25000000						3	0.090
2012-05-31	TURKIYE TURKIYE TURKIYE	456	250000	25000000						3	0.090
2012-10-11	David Bessell	T413	250000	25000000						3	0.090
2013-02-19	Sturle Sunde	v23	250000	25000000						3	0.090
2013-10-19	Lackó	Iroda_Laci_uj	250000	25000000						3	0.090
2015-02-24	WileECoyote	Beaker	250000	25000000						3	0.090
2015-11-04	Bruce	Desk8	250000	25000000						3	0.090
2015-11-15	Bruce	Desk7	250000	25000000						3	0.090
2015-11-21	Bruce	Desk7	250000	25000000						3	0.090
2015-11-26	Bruce	Desk7	250000	25000000						3	0.090
2015-12-01	Bruce	Desk7	250000	25000000						3	0.090
2015-12-05	Bruce	Desk7	250000	25000000						3	0.090
2015-12-09	Bruce	Desk7	250000	25000000						3	0.090
2015-12-18	Bruce	Desk8	250000	25000000						3	0.090
2015-12-28	Bruce	Desk8	250000	25000000						3	0.090
2016-01-05	Bruce	Desk8	250000	25000000						3	0.090
2016-01-16	Bruce	Desk8	250000	25000000						3	0.090
2016-01-25	Bruce	Desk8	250000	25000000						3	0.090
2016-03-10	curtisc	wcm424--19l	250000	25000000						3	0.090
2016-03-16	lettp	Home	250000	25000000						3	0.090
2016-03-26	pfummel	work4	250000	25000000						3	0.090
2016-05-26	pfummel	work4	250000	25000000						3	0.090
2016-06-05	thelegendarymudkip	i5-4670k	250000	25000000						3	0.090
2016-07-11	WileECoyote	S107B	250000	25000000						3	0.090
2016-07-20	WileECoyote	S107B	250000	25000000						3	0.090
2016-07-25	WileECoyote	S107B	250000	25000000						3	0.090
2016-07-29	WileECoyote	S107B	250000	25000000						3	0.090
2016-08-03	WileECoyote	S107B	250000	25000000						3	0.090
2016-08-08	WileECoyote	S107B	250000	25000000						3	0.090
2016-08-19	WileECoyote	S107B	250000	25000000						3	0.090
2016-08-24	WileECoyote	S107B	250000	25000000						3	0.090
2016-08-29	WileECoyote	S107B	250000	25000000						3	0.090
2016-09-04	WileECoyote	S107B	250000	25000000						3	0.090
2016-09-09	WileECoyote	S107B	250000	25000000						3	0.090
2016-09-15	WileECoyote	S107B	250000	25000000						3	0.090
2016-09-20	WileECoyote	S107B	250000	25000000						3	0.090
2016-09-25	WileECoyote	S107B	250000	25000000						3	0.090
2016-09-30	WileECoyote	S107B	250000	25000000						3	0.090
2016-10-05	WileECoyote	S107B	250000	25000000						3	0.090
2016-10-10	WileECoyote	S107B	250000	25000000						3	0.090
2016-10-16	WileECoyote	S107B	250000	25000000						3	0.090
2016-10-22	WileECoyote	S107B	250000	25000000						3	0.090
2016-10-26	WileECoyote	S107B	250000	25000000						3	0.090
2016-10-31	WileECoyote	S107B	250000	25000000						3	0.090
2016-11-05	WileECoyote	S107B	250000	25000000						3	0.090
2016-11-11	WileECoyote	S107B	250000	25000000						3	0.090
2016-11-16	WileECoyote	S107B	250000	25000000						3	0.090
2016-11-20	WileECoyote	S107B	250000	25000000						3	0.090
2016-11-25	WileECoyote	S107B	250000	25000000						3	0.090
2016-11-30	WileECoyote	S107B	250000	25000000						3	0.090
2016-12-05	WileECoyote	S107B	250000	25000000						3	0.090
2016-12-09	WileECoyote	S107B	250000	25000000						3	0.090
2016-12-15	WileECoyote	S107B	250000	25000000						3	0.090
2016-12-20	WileECoyote	S107B	250000	25000000						3	0.090
2016-12-24	WileECoyote	S107B	250000	25000000						3	0.090
2016-12-28	WileECoyote	S107B	250000	25000000						3	0.090
2016-12-31	WileECoyote	S107B	250000	25000000						3	0.090
2017-01-03	WileECoyote	S107B	250000	25000000						3	0.090
2017-01-08	WileECoyote	S107B	250000	25000000						3	0.090
2017-01-13	WileECoyote	S107B	250000	25000000						3	0.090
2017-01-17	WileECoyote	S107B	250000	25000000						3	0.090
2017-01-21	WileECoyote	S107B	250000	25000000						3	0.090
2017-01-25	WileECoyote	S107B	250000	25000000						3	0.090
2017-01-30	WileECoyote	S107B	250000	25000000						3	0.090
2017-02-10	WileECoyote	S107B	250000	25000000						3	0.090
2017-10-22	WileECoyote	ScoobyDoo	250000	25000000						3	0.090
2017-12-09	WileECoyote	ScoobyDoo	250000	25000000						3	0.090
2018-01-12	WileECoyote	ScoobyDoo	250000	25000000						3	0.090
2018-02-11	WileECoyote	ScoobyDoo	250000	25000000						3	0.090
2018-03-26	WileECoyote	ScoobyDoo	250000	25000000						3	0.090
2018-05-05	WileECoyote	ScoobyDoo	250000	25000000						3	0.090
2018-07-30	WileECoyote	ScoobyDoo	250000	25000000						3	0.090
2018-11-10	WileECoyote	ScoobyDoo	250000	25000000						3	0.090
2019-01-26	WileECoyote	ScoobyDoo	250000	25000000						3	0.090
2019-04-05	WileECoyote	ScoobyDoo	250000	25000000						3	0.090
2019-05-20	WileECoyote	ScoobyDoo	250000	25000000						3	0.090
2019-05-31	lycorn	supernova	250000	25000000						270	8.069

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	Ken Kiefer		2528E6760E6121E4	0.001
2016-06-01	MadPoo	Manual testing	2528E6760E6121E4	0.001