M2482993 Mersenne number exponent details

is 2 ^2482993 - 1

has 747456 decimal digits

takes 0.172 GHz-days to do one PRP test

Exponent is not assigned to anyone

	Trial Factoring	P-1 Factoring	Combined
Limit	GHz-days	Probability	B1	B2	GHz-days	Probability	GHz-days	Probability	Prob over default TF
Actual	2⁶⁸	24.0053	67.6471%	2382500	85770100	0.6965	7.5487%	24.7018	70.0893%	2.4422%
PrimeNet	2⁵⁹	0.0309	62.7119%	10000	180000	0.0019	2.5346%	0.0329	63.6570%	0.9451%
GPU72	2⁶³	0.6428	65.0794%	11000	160000	0.0019	1.3802%	0.6447	65.5613%	0.4820%
Difference	+5	+23.3625	+2.5677%	+2371500	+85610100	+0.6946	+6.1686%	+24.0571	+4.5280%	+4.5280%

	P-1	GHz-days
exponent	factor	digits	bits*	k	date found	min B1	min B2	min. TF	min. P-1	normal P-1
2482993	9002834619036029046497671	25	82.897	1812899718008876595 3 × 5 × 7 × 71 × 971 × 250441850279	2020-07-31	971	250441850279	672,392	1,372.3	2,563.1

P-1 results:

										GHz-Days		worth	Factor probability
date	userid	compid	b1	b2	e	stage	factor	digits	bits*	spent	saved	worth	Factor probability
2003-10-14T00:00:00	ANONYMOUS	v4_computers	2048	204800		-		-	-	0.001	-	-	0.234%
2003-10-31T00:00:00	Team Prime Rib	v4_computers	15000	228750		-		-	-	0.003	-	-	0.786%
2010-11-20T12:25:00	Jocelyn Larouche	Manual testing	20000	20000		-		-	-	0.002	-	-	0.263%
2011-01-21T10:12:00	Oscar Östlin		95000	1947500		-		-	-	0.020	-	-	2.378%
2014-09-02T00:10:00	Jocelyn Larouche	Manual testing	120850	120850		-		-	-	0.012	-	-	0.917%
2014-11-07T00:21:00	mikr	MSI	2382500	85770100		-		-	-	0.697	-	-	7.549%

Trial Factoring results:

			Bits		Factor			GHz-Days		worth
date	userid	compid	from	to	factor	bits*	digits	spent	saved	worth
1999-05-02T00:00:00	ANONYMOUS	v4_computers	2¹	2⁵⁹		-	-	0.031	-	-
2016-02-23T16:29:15	Mark Rose	Manual testing	2⁵⁹	2⁶⁰		-	-	0.031	-	-
2009-01-14T20:46:00	Sturle Sunde	ghini.ifi	2⁶⁰	2⁶¹		-	-	0.062	-	-
2012-06-09T08:42:00	Sebastian Hornbostel	Manual testing	2⁶¹	2⁶²		-	-	0.124	-	-
2013-08-21T05:37:00	David Campeau	Manual testing	2⁶²	2⁶³		-	-	0.395	-	-
2015-03-03T21:37:00	VictordeHollander	Manual testing	2⁶³	2⁶⁴		-	-	0.791	-	-
2015-03-03T21:37:00	VictordeHollander	Manual testing	2⁶⁴	2⁶⁵		-	-	1.505	-	-
2015-10-29T11:36:22	ramgeis	Manual testing	2⁶⁵	2⁶⁶		-	-	3.010	-	-
2017-07-22T20:28:37	Gordon Spence	Manual testing	2⁶⁶	2⁶⁷		-	-	6.019	-	-
2019-07-01T11:11:00	TJAOI	Manual testing	2⁶⁷	2⁶⁸		-	-	12.04	-	-

ECM factoring results:

Old Calculation Method

Total ECM effort:	5.694 GHz-days
Estimated T-Level:	3.100

Digits	B1	Curves	Complete	FacMiss
20	11000	62 / 100	0.620	53.627%
25	50000	62 / 280	0.221	80.106%

New Calculation Method

Total ECM effort:	5.694 GHz-days
Estimated T-Level:	3.100

Digits	B1	Complete	FacMiss
20	11000	2.000	13.534%
25	50000	0.181	83.464%
30	250000	0.011	98.893%

ECM Summary

B1	B2	factor	curves	GHz-days
50000	5000000		60	5.511
50000	5000000	9002834619036029046497671	2	0.184

	GHz-Days
date	userid	compid	b1	b2	factor	bits*	curve#	stage#	sigma	numcurves	spent
2009-02-13T18:30:00	xtreme	xtreme2	50000	5000000						3	0.276
2010-03-26T02:44:00	James Classen	towerofart	50000	5000000						3	0.276
2012-06-10T15:37:00	Jacques MOLNE	Crazy_64	50000	5000000						3	0.276
2014-02-06T02:09:00	Andy Incline	Office-PC	50000	5000000						3	0.276
2015-07-20T22:48:00	guru	w6	50000	5000000						3	0.276
2016-02-26T04:25:56	Jason U	Server7	50000	5000000						3	0.276
2016-06-23T13:57:10	Jason U	Server7	50000	5000000						3	0.276
2017-02-28T22:38:27	Bruce	eleven	50000	5000000						3	0.276
2017-08-10T12:44:52	Sebastian Hornbostel	V2	50000	5000000						3	0.276
2017-12-23T14:34:53	Sebastian Hornbostel	V2	50000	5000000						3	0.276
2018-07-30T17:02:46	Chang Chia-Tche	ex-ctcpc	50000	5000000						3	0.276
2019-10-09T04:13:17	Maxavelli	MaXuS-DPC	50000	5000000						3	0.276
2020-05-12T09:34:13	mnd9	50871b	50000	5000000						3	0.276
2020-05-26T19:41:42	Keysarecool	HPLaptop	50000	5000000						3	0.276
2020-06-15T04:50:57	mnd9	office2	50000	5000000						3	0.276
2020-06-29T09:22:57	nordi	sweet16	50000	5000000						3	0.276
2020-07-05T16:46:32	GAN	LMS-13	50000	5000000						3	0.276
2020-07-12T17:27:49	GAN	AC-KL	50000	5000000						3	0.276
2020-07-18T01:42:07	GAN	LMS-15	50000	5000000						3	0.276
2020-07-24T06:30:42	GAN	LMS-02	50000	5000000						3	0.276
2020-07-31T17:51:09	GAN	XPS	50000	5000000	9002834619036029046497671	82.897	2	2	6271781338404947	2	0.184

Lucas-Lehmer results:

date	userid	compid	res64	spent (GHz-days)
1999-08-07T00:00:00	ANONYMOUS	v4_computers	2E82CBE335A53778	0.172
2018-05-30T18:31:32	kkmrkkblmbrbk	old	2E82CBE335A53778	0.172

PRP results:

date

userid

compid

cofactors

res64

PRP

2020-08-02T09:22:19

ANONYMOUS

dory

9002834619036029046497671

39A694657C619C__

2020-11-11T15:45:44

Oliver Kruse

IOS-5

9002834619036029046497671

39A694657C619C30

P-1 factor-bounds graph:

X = B1; Y = B2
size of marker relates to size of factor
mouse-over any factor marker (circle) to see additional info
mouse-over any stage bound text to see additional info

B1 = 2382500, B2 = 85770100 (P-1 stage 2)

B1 = 2382500 (P-1 stage 1)

B1 = 95000, B2 = 1947500 (P-1 stage 2)

B1 = 120850 (P-1 stage 1)

B1 = 95000 (P-1 stage 1)

B1 = 15000, B2 = 228750 (P-1 stage 2)

B1 = 20000 (P-1 stage 1)

B1 = 15000 (P-1 stage 1)

B1 = 2048, B2 = 204800 (P-1 stage 2)

B1 = 2048 (P-1 stage 1)

10¹

10²

10³

10⁴

10⁵

10⁶

10⁷

10¹

10²

10³

10⁴

10⁵

10⁶

10⁷

10⁸

10⁹

10¹⁰

10¹¹

10¹²

TF factor-bounds graph:

2⁶⁸

2⁶⁷

2⁶⁶

2⁶⁵

2⁶⁴

2⁶³

2⁶²

2⁶¹

2⁶⁰

2⁵⁹

2⁵⁰

2⁶⁰

2⁷⁰

2⁸⁰

2⁹⁰

2¹⁰⁰

Last modified: 2020-11-11T15:45:44+00:00

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