M80581951 Mersenne number exponent details

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M80581951

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is 2 ^80581951 - 1

has 24257585 decimal digits

takes 251.455 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	3E61C103326FF2__	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	94.9581	64.0000%	680000	13600000	6.2618	3.7709%	101.2199	65.3575%	1.3575%
PrimeNet	2⁷¹	5.9328	61.9718%	340000	16000000	5.3989	5.2514%	11.3317	63.9689%	1.9970%
GPU72	2⁷⁵	94.9581	64.0000%	500000	17000000	6.3299	3.7862%	101.2880	65.3630%	1.3630%
Difference	-	-	-	+180000	-3400000	-0.0681	-0.0153%	-0.0681	-0.0055%	-0.0055%

Known prime factors:
No known factors for M80581951

P-1 results:

										GHz-Days		worth	Factor probability
date	userid	compid	b1	b2	e	stage	factor	digits	bits*	spent	saved	worth	Factor probability
2017-02-06T10:03:43	Cubox	Raven	680000	13600000	6	-		-	-	6.262	-	-	3.771%

Trial Factoring results:

			Bits		Factor			GHz-Days		worth
date	userid	compid	from	to	factor	bits*	digits	spent	saved	worth
2010-12-10T12:30:00	Architects Cubed	m1_50	2⁶⁴	2⁶⁵		-	-	0.046	-	-
2011-01-24T07:38:00	firejuggler	Manual testing	2⁶⁵	2⁶⁷		-	-	0.278	-	-
2011-01-24T07:38:00	firejuggler	Manual testing	2⁶⁷	2⁶⁸		-	-	0.371	-	-
2011-01-24T07:38:00	firejuggler	Manual testing	2⁶⁸	2⁶⁹		-	-	0.742	-	-
2011-01-25T07:27:00	ANONYMOUS	Manual testing	2⁶⁹	2⁷⁰		-	-	1.484	-	-
2013-06-07T18:08:00	NoPa	GIMPS2	2⁷⁰	2⁷¹		-	-	2.968	-	-
2016-05-18T16:55:07	Judge Hale	Manual testing	2⁷¹	2⁷²		-	-	5.935	-	-
2016-05-18T16:55:07	Judge Hale	Manual testing	2⁷²	2⁷³		-	-	11.87	-	-
2016-10-21T09:55:08	Judge Hale	Manual testing	2⁷³	2⁷⁴		-	-	23.74	-	-
2016-10-23T22:02:01	Mark Rose	Manual testing	2⁷⁴	2⁷⁵		-	-	47.48	-	-

ECM factoring results:
No ECM results for M80581951

Lucas-Lehmer results:

date	userid	compid	res64	spent (GHz-days)
2018-07-24T19:35:17	aurashift	usslcburnin35	3E61C103326FF2__	251.5

PRP results:
No PRP results for M80581951

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 = 680000, B2 = 13600000 (P-1 stage 2)

B1 = 680000 (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

2⁶⁵

2⁵⁰

2⁶⁰

2⁷⁰

2⁸⁰

2⁹⁰

2¹⁰⁰

Last modified: 2018-07-24T19:35:17+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