M80254487 Mersenne number exponent details

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M80254487

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is 2 ^80254487 - 1

has 24159008 decimal digits

takes 250.433 GHz-days to do one PRP test

Last-known PrimeNet details:

Exponent is not assigned to anyone

1 primality tests remaining

	Residue	Status
L-L	FCDAE51DA1FFD0__	needs double-check
PRP	-unknown-	-unknown-

	Trial Factoring			P-1 Factoring				Combined
	Limit	GHz-days	Probability	B1	B2	GHz-days	Probability	GHz-days	Probability	Prob over default TF
Actual	2⁷⁵	95.3456	64.0000%	675000	12487500	5.9662	3.7006%	101.3117	65.3322%	1.3322%
PrimeNet	2⁷¹	5.9570	61.9718%	340000	16000000	5.3989	5.2488%	11.3559	63.9679%	1.9960%
GPU72	2⁷⁵	95.3456	64.0000%	500000	17000000	6.3299	3.7843%	101.6755	65.3623%	1.3623%
Difference	-	-	-	+175000	-4512500	-0.3637	-0.0837%	-0.3637	-0.0301%	-0.0301%

Known prime factors:
No known factors for M80254487

P-1 results:

										GHz-Days		worth	Factor probability
date	userid	compid	b1	b2	e	stage	factor	digits	bits*	spent	saved	worth	Factor probability
2016-12-20T18:36:42	Smok_bmv	bmv_homeC331	675000	12487500		-		-	-	5.966	-	-	3.701%

Trial Factoring results:

			Bits		Factor			GHz-Days		worth
date	userid	compid	from	to	factor	bits*	digits	spent	saved	worth
2010-12-04T18:20:00	Architects Cubed	a3_bu2	2⁶⁴	2⁶⁵		-	-	0.047	-	-
2011-01-14T12:52:00	runesk	ubuntu3	2⁶⁵	2⁶⁶		-	-	0.093	-	-
2011-03-21T12:30:00	Jim Blaschak	hunkajunk	2⁶⁶	2⁶⁷		-	-	0.186	-	-
2011-03-25T21:47:00	Gnorfe	_d2	2⁶⁷	2⁶⁸		-	-	0.372	-	-
2011-03-28T23:27:00	Åke Tilander	PC51-115-08	2⁶⁸	2⁶⁹		-	-	0.745	-	-
2012-05-12T01:33:00	wangyun183	Manual testing	2⁶⁹	2⁷⁰		-	-	1.490	-	-
2013-06-01T12:58:00	SMoffat	Manual testing	2⁷⁰	2⁷¹		-	-	2.980	-	-
2016-03-13T18:45:09	Derek	Manual testing	2⁷¹	2⁷²		-	-	5.959	-	-
2016-10-04T15:55:11	Judge Hale	Manual testing	2⁷²	2⁷³		-	-	11.92	-	-
2016-10-09T19:29:00	TheJudger	Manual testing	2⁷³	2⁷⁴		-	-	23.84	-	-
2016-10-09T19:29:00	TheJudger	Manual testing	2⁷⁴	2⁷⁵		-	-	47.67	-	-

ECM factoring results:
No ECM results for M80254487

Lucas-Lehmer results:

date	userid	compid	res64	spent (GHz-days)
2017-04-30T05:44:34	curtisc	csc134-20L	FCDAE51DA1FFD0__	250.4

PRP results:
No PRP results for M80254487

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 = 675000, B2 = 12487500 (P-1 stage 2)

B1 = 675000 (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

2⁵⁰

2⁶⁰

2⁷⁰

2⁸⁰

2⁹⁰

2¹⁰⁰

Last modified: 2017-04-30T05:44:34+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