M79423963 Mersenne number exponent details

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M79423963

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is 2 ^79423963 - 1

has 23908996 decimal digits

takes 247.841 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	4CCB6CC6CDB0A3__	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	96.3426	64.0000%	690000	13627500	6.3114	3.7724%	102.6539	65.3581%	1.3581%
PrimeNet	2⁷¹	6.0193	61.9718%	340000	16000000	5.3989	5.2422%	11.4182	63.9653%	1.9935%
GPU72	2⁷⁵	96.3426	64.0000%	500000	17000000	6.3299	3.7794%	102.6725	65.3606%	1.3606%
Difference	-	-	-	+190000	-3372500	-0.0185	-0.0070%	-0.0185	-0.0025%	-0.0025%

Known prime factors:
No known factors for M79423963

P-1 results:

										GHz-Days		worth	Factor probability
date	userid	compid	b1	b2	e	stage	factor	digits	bits*	spent	saved	worth	Factor probability
2016-09-30T05:16:40	Nesowa	Dell_Test	690000	13627500		-		-	-	6.311	-	-	3.772%

Trial Factoring results:

			Bits		Factor			GHz-Days		worth
date	userid	compid	from	to	factor	bits*	digits	spent	saved	worth
2009-05-29T10:44:00	Architects Cubed	m1_37	2⁶³	2⁶⁴		-	-	0.025	-	-
2010-11-27T03:00:00	Xyzzy	1	2⁶⁴	2⁶⁵		-	-	0.047	-	-
2011-02-22T02:36:00	Jason Bartholomew	netbook	2⁶⁵	2⁶⁶		-	-	0.094	-	-
2011-02-26T16:27:00	Cloudy Water	ACER	2⁶⁶	2⁶⁷		-	-	0.188	-	-
2011-03-18T08:02:00	ANONYMOUS		2⁶⁷	2⁶⁸		-	-	0.376	-	-
2011-03-24T21:29:00	Charles Spalton	linuxherd04	2⁶⁸	2⁶⁹		-	-	0.753	-	-
2011-03-27T13:22:00	eon_blue_apocalypse	Phenom-6	2⁶⁹	2⁷⁰		-	-	1.505	-	-
2014-02-28T05:15:00	Smok_bmv	Manual testing	2⁷⁰	2⁷¹		-	-	3.011	-	-
2016-02-22T02:45:30	Greg	Manual testing	2⁷¹	2⁷²		-	-	6.022	-	-
2016-08-12T21:42:03	RichD0	Manual testing	2⁷²	2⁷³		-	-	12.04	-	-
2016-09-21T00:33:35	RichD0	Manual testing	2⁷³	2⁷⁵		-	-	72.26	-	-

ECM factoring results:
No ECM results for M79423963

Lucas-Lehmer results:

date	userid	compid	res64	spent (GHz-days)
2018-02-16T19:19:53	curtisc	wcm231--30l	4CCB6CC6CDB0A3__	247.8

PRP results:
No PRP results for M79423963

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 = 690000, B2 = 13627500 (P-1 stage 2)

B1 = 690000 (P-1 stage 1)

10⁴

10⁵

10⁶

10⁴

10⁵

10⁶

10⁷

10⁸

TF factor-bounds graph:

2⁷⁵

2⁷³

2⁷²

2⁷¹

2⁷⁰

2⁶⁹

2⁶⁸

2⁶⁷

2⁶⁶

2⁶⁵

2⁶⁴

2⁵⁰

2⁶⁰

2⁷⁰

2⁸⁰

2⁹⁰

2¹⁰⁰

Last modified: 2018-02-16T19:19:53+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