M69 255 337 Mersenne number exponent details

Residue

Status

L-L

5DD43C983A6895__

needs double-check

PRP

-unknown-

-unknown-

	Trial Factoring	P-1 Factoring	Combined
Limit	GHz-days	Probability	B1	B2	GHz-days	Probability	GHz-days	Probability
Actual	2⁷⁵	110.4884	64.0000%	770000	20212500	7.0916	4.0642%	117.5800	65.4631%
Target	2⁷⁴	55.2429	63.5135%	450000	15000000	4.8177	3.9447%	60.0606	64.9528%
Difference	+1	+55.2455	+0.4865%	+320000	+5212500	+2.2739	+0.1195%	+57.5194	+0.5103%

Trial Factoring

P-1 Factoring

Combined

Limit

GHz-days

Probability

GHz-days

Probability

GHz-days

Probability

Actual

2⁷⁵

110.4884

64.0000%

770000

20212500

7.0916

4.0642%

117.5800

65.4631%

Target

2⁷⁴

55.2429

63.5135%

450000

15000000

4.8177

3.9447%

60.0606

64.9528%

Difference

+55.2455

+0.4865%

+320000

+5212500

+2.2739

+0.1195%

+57.5194

+0.5103%

	GHz-Days	worth	Factor probability
date	userid	compid	b1	b2	e	stage	factor	digits	bits*	spent	saved
2013-12-05	timc995	c6100b4	770000	20212500		-		-	-	7.092	-	-	4.064%

GHz-Days

worth

Factor
probability

date

userid

compid

stage

factor

digits

bits*

spent

saved

2013-12-05

timc995

c6100b4

770000

20212500

7.092

-

-

4.064%

Trial Factoring results:

			Bits		Factor			GHz-Days		worth
date	userid	compid	from	to	factor	bits*	digits	spent	saved	worth
2000-09-23	Jocelyn Larouche	v4_computers	2¹	2⁵²		-	-	8.66304e-6	-	-
2000-10-22	Jocelyn Larouche	v4_computers	2¹	2⁵⁴		-	-	3.46522e-5	-	-
2000-10-28	Jocelyn Larouche	v4_computers	2¹	2⁵⁶		-	-	0.000	-	-
2001-06-03	Jocelyn Larouche	v4_computers	2¹	2⁵⁷		-	-	0.000	-	-
2003-11-28	ANONYMOUS	v4_computers	2¹	2⁶²		-	-	0.009	-	-
2005-01-10	ANONYMOUS	v4_computers	2¹	2⁶³		-	-	0.023	-	-
2016-03-30	Mark Rose	Manual testing	2⁶³	2⁶⁴		-	-	0.028	-	-
2016-03-29	Mark Rose	Manual testing	2⁶⁴	2⁶⁵		-	-	0.054	-	-
2008-06-12	Sturle Sunde	letov.ifi	2⁶⁵	2⁶⁶		-	-	0.108	-	-
2010-02-07	Scotch	Home	2⁶⁶	2⁶⁷		-	-	0.216	-	-
2010-02-18	Bo Gyu Jeong	It1_8469261	2⁶⁷	2⁶⁸		-	-	0.432	-	-
2010-02-20	Sturle Sunde	giacco.ifi	2⁶⁸	2⁶⁹		-	-	0.863	-	-
2012-05-04	Dr. Nowak	azm79	2⁶⁹	2⁷⁰		-	-	1.726	-	-
2012-10-01	[DPC] hansR	Manual testing	2⁷⁰	2⁷¹		-	-	3.453	-	-
2014-05-23	Axelsson	Manual testing	2⁷¹	2⁷²		-	-	6.906	-	-
2014-05-23	Axelsson	Manual testing	2⁷²	2⁷³		-	-	13.81	-	-
2014-05-25	Bdot	Manual testing	2⁷³	2⁷⁴		-	-	27.62	-	-
2015-07-26	Chuck	Manual testing	2⁷⁴	2⁷⁵		-	-	55.25	-	-

date	userid	compid	res64	spent (GHz-days)
2015-12-05	Six Blue Boxes	fagor	5DD43C983A6895__	185.2

date

userid

compid

res64

spent (GHz-days)

2015-12-05

Six Blue Boxes

fagor

5DD43C983A6895__

185.2

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 = 770000, B2 = 20212500 (P-1 stage 2)

B1 = 770000 (P-1 stage 1)

10⁴

10⁵

10⁶

10⁴

10⁵

10⁶

10⁷

10⁸

TF factor-bounds graph:

2⁷⁵

2⁷⁴

2⁷³

2⁷²

2⁷¹

2⁷⁰

2⁶⁹

2⁶⁸

2⁶⁷

2⁶⁶

2⁶⁵

2⁶⁴

2⁶³

2⁶²

2⁵⁷

2⁵⁶

2⁵⁴

2⁵²

this exponent TF target: 74

TF double-checked to: 67.8

2⁵⁰

2⁶⁰

2⁷⁰

2⁸⁰

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