M255 049 Mersenne number exponent details

	Trial Factoring	P-1 Factoring	Combined
Limit	GHz-days	Probability	B1	B2	GHz-days	Probability	GHz-days	Probability
Actual	2⁷⁰	936.8813	74.2857%	1000000000	201454308905850	89,307.9112	27.9442%	90,244.7925	81.4714%
Target	2⁴⁴	0.0000	59.0909%	4500	110000	0.0001	10.1916%	0.0001	63.2602%
Difference	+26	+936.8813	+15.1948%	+999995500	+201454308795850	+89,307.9111	+17.7526%	+90,244.7924	+18.2112%

	P-1	GHz-days
exponent	factor	digits	bits*	k	date found	min B1	min B2	min. TF	min. P-1	normal P-1
255049	192924373683962147587896912572938727	36	117.216	378210409928998246587708464987 64458828977 × 5867472554674397131	2022-09-01	64458828977	5867472554674397131	7.347e+11	2.601e+9	4.858e+9

	GHz-Days	worth	Factor probability
date	userid	compid	b1	b2	e	stage	factor	digits	bits*	spent	saved
2000-12-14	ANONYMOUS	v4_computers	95000	3800000		-		-	-	0.002	-	-	1.512%
2001-06-17	ANONYMOUS	v4_computers	100000	10000000		-		-	-	0.005	-	-	1.893%
2002-06-02	ANONYMOUS	v4_computers	32768	3276800		-		-	-	0.002	-	-	1.020%
2002-08-10	ANONYMOUS	v4_computers	65536	6553600		-		-	-	0.003	-	-	1.525%
2003-03-07	ANONYMOUS	v4_computers	131072	13107200		-		-	-	0.007	-	-	2.152%
2003-11-08	ANONYMOUS	v4_computers	262144	26214400		-		-	-	0.014	-	-	2.891%
2011-02-07	Jocelyn Larouche	Manual testing	2000000	2000000		-		-	-	0.016	-	-	1.897%
2012-02-26	Jocelyn Larouche	Manual testing	2441809	2441809		-		-	-	0.020	-	-	2.050%
2013-10-14	David Campeau	i5-2500k	2560000	71680000		-		-	-	0.051	-	-	4.885%
2015-01-16	thelegendarymudkip	i5-4670k	10000000	250000000		-		-	-	0.188	-	-	6.782%
2016-05-13	mognuts	Manual testing	2852	71300		-		-	-	5.35457e-5	-	-	0.074%
2021-12-04	Seth_Tr	Manual testing	40000000	7618731120		-		-	-	3.685	-	-	11.693%
2021-12-15	Seth_Tr	Manual testing	120000000	59900720880		-		-	-	27.48	-	-	15.181%
2022-03-30	Anton Repko	Manual testing	1000000000	201454308905850		-		-	-	89,308	-	-	27.944%

	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		-	-	0.009	-	-
2000-12-14	ANONYMOUS	v4_computers	2¹	2⁵⁵		-	-	0.019	-	-
2001-02-18	ANONYMOUS	v4_computers	2¹	2⁵⁶		-	-	0.038	-	-
2002-03-16	ANONYMOUS	v4_computers	2¹	2⁵⁷		-	-	0.075	-	-
2004-02-14	ANONYMOUS	v4_computers	2¹	2⁵⁸		-	-	0.151	-	-
2009-01-01	Sturle Sunde	gobi.ifi	2⁵⁸	2⁵⁹		-	-	0.151	-	-
2009-01-25	Sturle Sunde	ginjtje.ifi	2⁵⁹	2⁶⁰		-	-	0.301	-	-
2013-07-24	Sid & Andy	Buzz	2⁶⁰	2⁶¹		-	-	0.602	-	-
2015-08-25	NR	Manual testing	2⁶¹	2⁶²		-	-	1.204	-	-
2016-01-30	Gordon Spence	Manual testing	2⁶²	2⁶³		-	-	3.849	-	-
2016-01-30	Gordon Spence	Manual testing	2⁶³	2⁶⁴		-	-	7.698	-	-
2018-03-15	Gordon Spence	Manual testing	2⁶⁴	2⁶⁵		-	-	14.65	-	-
2020-01-01	Gordon Spence	Manual testing	2⁶⁵	2⁶⁶		-	-	29.30	-	-
2022-03-12	Anton Repko	Manual testing	2⁶⁶	2⁷⁰		-	-	879.0	-	-

ECM factoring results:

Total ECM effort:	600.064 GHz-days
Estimated T-Level:	33.285

Digits	B1	Complete	FacMiss
20	11000	175.202	0.000%
25	50000	36.095	0.000%
30	250000	5.436	0.436%
35	1000000	0.657	51.845%
40	3000000	0.066	93.611%
45	11000000	0.006	99.440%

ECM Summary

B1	B2	factor	curves	GHz-days
50000	5000000		307	1.837
250000	25000000		580	17.35
1000000	100000000		100	11.96
1000000	2842011315	192924373683962147587896912572938727	470	568.9

ECM Details

										GHz-Days
date	userid	compid	b1	b2	factor	bits*	curve#	stage#	sigma	numcurves	spent
2007-08-09	George Woltman	D_P4Debug	50000	5000000						1	0.006
2007-08-17	ANONYMOUS	Bayes	50000	5000000						1	0.006
2007-08-29	Chad Davis	Bayes	50000	5000000						1	0.006
2007-09-10	Chad Davis	Bayes	50000	5000000						1	0.006
2007-10-08	Team_Bundu	bundu1	50000	5000000						1	0.006
2007-12-26	Steve Scott	Epox	50000	5000000						1	0.006
2007-12-26	Steve Scott	Epox	50000	5000000						1	0.006
2007-12-26	Steve Scott	Epox	50000	5000000						1	0.006
2007-12-27	James Heinrich	WHS	50000	5000000						1	0.006
2007-12-27	Steve Scott	Celeron	50000	5000000						1	0.006
2007-12-27	Steve Scott	Celeron	50000	5000000						1	0.006
2008-01-06	Steve Scott	Asus-1	50000	5000000						1	0.006
2008-03-18	arnaud	SPR09	50000	5000000						3	0.018
2008-08-31	Sturle Sunde	v21	50000	5000000						3	0.018
2008-10-22	Sturle Sunde	v23	50000	5000000						3	0.018
2008-11-22	Sturle Sunde	v21	50000	5000000						3	0.018
2008-11-23	Sturle Sunde	v21	50000	5000000						3	0.018
2008-12-13	Sturle Sunde	v21	50000	5000000						3	0.018
2009-01-20	Sturle Sunde	v23	50000	5000000						3	0.018
2009-02-27	Carsten Kossendey	durandal	50000	5000000						1	0.006
2009-02-27	Sturle Sunde	v21	50000	5000000						3	0.018
2009-03-12	Sturle Sunde	v23	50000	5000000						3	0.018
2009-03-30	Sturle Sunde	v23	50000	5000000						3	0.018
2009-04-07	Carsten Kossendey	Manual testing	50000	5000000						1	0.006
2009-04-15	Sturle Sunde	v23	50000	5000000						3	0.018
2009-04-19	Sturle Sunde	v23	50000	5000000						3	0.018
2009-04-23	Sturle Sunde	v23	50000	5000000						3	0.018
2009-04-26	Sturle Sunde	v23	50000	5000000						3	0.018
2009-04-29	Sturle Sunde	v21	50000	5000000						3	0.018
2009-05-04	Sturle Sunde	v23	50000	5000000						3	0.018
2009-05-08	Sturle Sunde	v23	50000	5000000						3	0.018
2009-05-11	Sturle Sunde	v21	50000	5000000						3	0.018
2009-05-14	Sturle Sunde	v21	50000	5000000						3	0.018
2009-05-19	Sturle Sunde	v23	50000	5000000						3	0.018
2009-05-23	Sturle Sunde	v21	50000	5000000						3	0.018
2009-05-27	Sturle Sunde	v21	50000	5000000						3	0.018
2009-05-31	Sturle Sunde	v21	50000	5000000						3	0.018
2009-06-04	Sturle Sunde	v21	50000	5000000						3	0.018
2009-06-08	Sturle Sunde	v21	50000	5000000						3	0.018
2009-06-12	Sturle Sunde	v23	50000	5000000						3	0.018
2009-06-17	Sturle Sunde	v23	50000	5000000						3	0.018
2009-06-25	Sturle Sunde	v21	50000	5000000						3	0.018
2009-07-06	ClknGo Software	cngws2	50000	5000000						3	0.018
2009-07-19	Sturle Sunde	v21	50000	5000000						3	0.018
2009-08-01	Sturle Sunde	v21	50000	5000000						3	0.018
2009-08-14	Sturle Sunde	v21	50000	5000000						3	0.018
2009-08-24	Sturle Sunde	v23	50000	5000000						3	0.018
2009-08-27	Sturle Sunde	v21	50000	5000000						3	0.018
2009-08-31	Sturle Sunde	v23	50000	5000000						3	0.018
2009-09-03	Sturle Sunde	v23	50000	5000000						3	0.018
2009-09-07	Sturle Sunde	v23	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	v21	50000	5000000						3	0.018
2009-09-26	Sturle Sunde	v21	50000	5000000						3	0.018
2009-09-30	ANONYMOUS	v23	50000	5000000						3	0.018
2009-10-05	Sturle Sunde	v21	50000	5000000						3	0.018
2009-10-11	ClknGo Software	cngws2	50000	5000000						3	0.018
2009-10-15	Sturle Sunde	v21	50000	5000000						3	0.018
2009-10-18	Sturle Sunde	v21	50000	5000000						3	0.018
2009-10-22	Sturle Sunde	v21	50000	5000000						3	0.018
2009-10-24	Sturle Sunde	v23	50000	5000000						3	0.018
2009-10-27	Sturle Sunde	v23	50000	5000000						3	0.018
2009-10-30	Sturle Sunde	v23	50000	5000000						3	0.018
2009-11-02	ANONYMOUS	v21	50000	5000000						3	0.018
2009-11-04	ANONYMOUS	v23	50000	5000000						3	0.018
2009-11-08	Lackó	Iroda_Andras	50000	5000000						3	0.018
2009-11-10	Sturle Sunde	v21	50000	5000000						3	0.018
2009-11-13	Sturle Sunde	v21	50000	5000000						3	0.018
2009-11-18	Sturle Sunde	v23	50000	5000000						3	0.018
2009-11-21	Sturle Sunde	v21	50000	5000000						3	0.018
2009-11-25	Sturle Sunde	v23	50000	5000000						3	0.018
2009-11-28	ANONYMOUS	v23	50000	5000000						3	0.018
2009-12-01	ANONYMOUS	v23	50000	5000000						3	0.018
2009-12-03	Sturle Sunde	v21	50000	5000000						3	0.018
2009-12-07	Sturle Sunde	v21	50000	5000000						3	0.018
2009-12-10	Sturle Sunde	v23	50000	5000000						3	0.018
2009-12-13	Sturle Sunde	v21	50000	5000000						3	0.018
2009-12-17	Sturle Sunde	v23	50000	5000000						3	0.018
2009-12-21	ANONYMOUS	v21	50000	5000000						3	0.018
2009-12-29	Sturle Sunde	v21	50000	5000000						3	0.018
2010-01-04	Sturle Sunde	v21	50000	5000000						3	0.018
2010-01-09	Lackó	Iroda_Andras	50000	5000000						3	0.018
2010-01-13	Dmitry B. Khachaturov	dix-dubna	50000	5000000						3	0.018
2010-01-15	Sturle Sunde	v21	50000	5000000						3	0.018
2010-01-20	ANONYMOUS	v23	50000	5000000						3	0.018
2010-01-23	Sturle Sunde	v23	50000	5000000						3	0.018
2010-01-28	Sturle Sunde	v21	50000	5000000						3	0.018
2010-01-29	Sturle Sunde	v23	50000	5000000						3	0.018
2010-02-01	Sturle Sunde	v21	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
2010-02-11	Sturle Sunde	v21	50000	5000000						3	0.018
2010-02-15	Sturle Sunde	v21	50000	5000000						3	0.018
2010-02-18	Sturle Sunde	v21	50000	5000000						3	0.018
2010-03-03	Sturle Sunde	v21	50000	5000000						3	0.018
2010-03-05	Sturle Sunde	v23	50000	5000000						3	0.018
2010-03-11	Sturle Sunde	v21	50000	5000000						3	0.018
2010-04-14	James Hintz	NEW_OMFG	50000	5000000						3	0.018
2010-04-14	Sturle Sunde	v21	50000	5000000						3	0.018
2010-04-14	James Hintz	NEW_OMFG	50000	5000000						11	0.066
2010-04-14	Sturle Sunde	v21	50000	5000000						3	0.018
2010-04-14	Sturle Sunde	v21	50000	5000000						3	0.018
2010-04-14	Sturle Sunde	v21	50000	5000000						3	0.018
2010-04-14	Sturle Sunde	v21	50000	5000000						3	0.018
2010-04-14	Sturle Sunde	v21	50000	5000000						3	0.018
2010-04-15	BOM	C2Q-2667	50000	5000000						3	0.018
2010-05-01	ANONYMOUS	v23	250000	25000000						3	0.090
2010-05-15	Sturle Sunde	v23	250000	25000000						3	0.090
2010-05-28	ANONYMOUS	v23	250000	25000000						3	0.090
2010-06-09	Sturle Sunde	v23	250000	25000000						3	0.090
2010-06-26	Sturle Sunde	v23	250000	25000000						3	0.090
2010-08-06	Beat Bucheli	I7	250000	25000000						3	0.090
2010-09-02	Sturle Sunde	v23	250000	25000000						3	0.090
2010-09-23	Sturle Sunde	v21	250000	25000000						3	0.090
2010-10-16	Sturle Sunde	v23	250000	25000000						3	0.090
2010-11-05	Sturle Sunde	v21	250000	25000000						3	0.090
2010-11-28	Sturle Sunde	v21	250000	25000000						3	0.090
2010-12-19	ANONYMOUS	v21	250000	25000000						3	0.090
2011-01-11	Sturle Sunde	v23	250000	25000000						3	0.090
2011-01-31	David Bessell	T413	250000	25000000						3	0.090
2011-02-22	Sturle Sunde	v21	250000	25000000						3	0.090
2011-03-22	Sturle Sunde	001CC4F0E697	250000	25000000						3	0.090
2011-04-25	David Bessell	T413	250000	25000000						3	0.090
2011-05-17	Sturle Sunde	001CC4F0E4FD	250000	25000000						3	0.090
2011-05-31	ANONYMOUS	v23	250000	25000000						3	0.090
2011-07-05	Sturle Sunde	001CC4F0E4FD	250000	25000000						3	0.090
2011-09-07	David Bessell	T413	250000	25000000						3	0.090
2011-10-04	Dmitry B. Khachaturov	dix-dubna	250000	25000000						3	0.090
2011-11-03	David Bessell	T413	250000	25000000						3	0.090
2011-12-16	WileECoyote	otto4	250000	25000000						3	0.090
2012-01-29	Sturle Sunde	v21	250000	25000000						3	0.090
2012-03-05	David Bessell	T413	250000	25000000						3	0.090
2012-04-19	David Bessell	T413	250000	25000000						3	0.090
2012-06-04	JoeVD	desktop	250000	25000000						3	0.090
2012-10-16	David Bessell	T413	250000	25000000						3	0.090
2013-03-02	Sturle Sunde	v23	250000	25000000						3	0.090
2013-12-03	Sturle Sunde	v23	250000	25000000						3	0.090
2015-03-07	driveByUpgrades	rebuild_quad	250000	25000000						3	0.090
2015-11-09	Bruce	Desk7	250000	25000000						3	0.090
2015-11-16	Bruce	Desk8	250000	25000000						3	0.090
2015-11-22	Bruce	Desk8	250000	25000000						3	0.090
2015-11-27	Bruce	Desk8	250000	25000000						3	0.090
2015-12-02	Bruce	Desk7	250000	25000000						3	0.090
2015-12-06	Bruce	Desk7	250000	25000000						3	0.090
2015-12-11	Bruce	Desk8	250000	25000000						3	0.090
2015-12-22	Bruce	Desk8	250000	25000000						3	0.090
2015-12-31	Bruce	Desk8	250000	25000000						3	0.090
2016-01-10	Bruce	Desk8	250000	25000000						3	0.090
2016-01-20	Bruce	Desk8	250000	25000000						3	0.090
2016-01-29	Bruce	Desk8	250000	25000000						3	0.090
2016-03-13	lettp	Home	250000	25000000						3	0.090
2016-03-19	Larry Hanes	C500A6AD8	250000	25000000						3	0.090
2016-03-20	lettp	Home	250000	25000000						3	0.090
2016-06-03	pfummel	work4	250000	25000000						3	0.090
2016-07-09	WileECoyote	S107B	250000	25000000						3	0.090
2016-07-18	WileECoyote	S107B	250000	25000000						3	0.090
2016-07-23	WileECoyote	S107B	250000	25000000						3	0.090
2016-07-28	WileECoyote	S107B	250000	25000000						3	0.090
2016-08-02	WileECoyote	S107B	250000	25000000						3	0.090
2016-08-07	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
2016-09-03	WileECoyote	S107B	250000	25000000						3	0.090
2016-09-08	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
2016-10-27	WileECoyote	S107B	250000	25000000						3	0.090
2016-11-01	WileECoyote	S107B	250000	25000000						3	0.090
2016-11-06	WileECoyote	S107B	250000	25000000						3	0.090
2016-11-12	WileECoyote	S107B	250000	25000000						3	0.090
2016-11-17	WileECoyote	S107B	250000	25000000						3	0.090
2016-11-22	WileECoyote	S107B	250000	25000000						3	0.090
2016-11-27	WileECoyote	S107B	250000	25000000						3	0.090
2016-12-02	WileECoyote	S107B	250000	25000000						3	0.090
2016-12-07	WileECoyote	S107B	250000	25000000						3	0.090
2016-12-11	WileECoyote	S107B	250000	25000000						3	0.090
2016-12-17	WileECoyote	S107B	250000	25000000						3	0.090
2016-12-22	WileECoyote	S107B	250000	25000000						3	0.090
2016-12-27	WileECoyote	S107B	250000	25000000						3	0.090
2016-12-30	WileECoyote	S107B	250000	25000000						3	0.090
2017-01-02	WileECoyote	S107B	250000	25000000						3	0.090
2017-01-07	WileECoyote	S107B	250000	25000000						3	0.090
2017-01-11	WileECoyote	S107B	250000	25000000						3	0.090
2017-01-16	WileECoyote	S107B	250000	25000000						3	0.090
2017-01-20	WileECoyote	S107B	250000	25000000						3	0.090
2017-01-25	WileECoyote	S107B	250000	25000000						3	0.090
2017-01-29	WileECoyote	S107B	250000	25000000						3	0.090
2017-02-09	WileECoyote	S107B	250000	25000000						3	0.090
2017-11-01	Anton Repko	Manual testing	250000	25000000						313	9.362
2020-01-22	nordi	nordiputer	1000000	100000000						100	11.96
2022-08-15	Anton Repko	DeskMini	1000000	2842011315	192924373683962147587896912572938727	117.216	470	2	6097256164860161	470	568.9

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	E9AC11C09069F280	0.001
2001-10-13	ANONYMOUS	v4_computers	E9AC11C09069F280	0.001