M194968771 Mersenne number exponent details

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is 2 ^194968771 - 1

has 58691449 decimal digits

takes 1,594.953 GHz-days to do one PRP test

Last-known PrimeNet details:

Exponent is not assigned to anyone

-unknown- primality tests remaining

	Residue	Status
L-L	-unknown-	-unknown-
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	2⁷⁸	313.9811	64.1026%	-	-	-	-	313.9811	64.1026%	0.0000%
PrimeNet	2⁷⁴	19.6230	62.1622%	800000	45000000	38.0543	5.8191%	57.6773	64.3640%	2.2018%
GPU72	2⁷⁸	313.9811	64.1026%	1200000	45000000	42.5405	4.2489%	356.5216	65.6278%	1.5252%
Difference	-	-	-	-1200000	-45000000	-42.5405	-4.2489%	-42.5405	-1.5252%	-1.5252%

Known prime factors:
No known factors for M194968771

P-1 results:
No P-1 results for M194968771

Trial Factoring results:

			Bits		Factor			GHz-Days		worth
date	userid	compid	from	to	factor	bits*	digits	spent	saved	worth
2022-05-25T23:45:40	LordJulius	Manual testing	2¹	2⁶³		-	-	0.008	-	-
2010-08-06T11:23:00	HBendtz	HAL9006	2⁶³	2⁶⁴		-	-	0.010	-	-
2011-04-20T19:50:00	Sara	2	2⁶⁴	2⁶⁵		-	-	0.019	-	-
2013-06-22T10:11:00	sasaki3	HOME	2⁶⁵	2⁶⁶		-	-	0.038	-	-
2015-09-11T16:55:00	demfloro	Manual testing	2⁶⁶	2⁶⁸		-	-	0.230	-	-
2022-05-12T17:26:34	LordJulius	Manual testing	2¹	2⁶⁸		-	-	0.306	-	-
2015-09-11T16:55:00	demfloro	Manual testing	2⁶⁸	2⁶⁹		-	-	0.307	-	-
2015-09-11T16:55:00	demfloro	Manual testing	2⁶⁹	2⁷⁰		-	-	0.613	-	-
2015-09-11T16:55:00	demfloro	Manual testing	2⁷⁰	2⁷¹		-	-	1.226	-	-
2015-09-11T16:55:00	demfloro	Manual testing	2⁷¹	2⁷²		-	-	2.453	-	-
2017-08-02T17:50:46	KEP	Manual testing	2⁷²	2⁷³		-	-	4.906	-	-
2020-05-13T14:51:21	S00030	Manual testing	2⁷³	2⁷⁴		-	-	9.81	-	-
2022-05-12T19:01:15	LordJulius	Manual testing	2⁷⁴	2⁷⁵		-	-	19.62	-	-
2022-05-12T19:01:15	LordJulius	Manual testing	2⁷⁵	2⁷⁶		-	-	39.25	-	-
2022-05-26T02:54:26	LordJulius	Manual testing	2⁷⁶	2⁷⁷		-	-	78.50	-	-
2022-05-26T03:55:13	LordJulius	Manual testing	2⁷⁷	2⁷⁸		-	-	157.0	-	-
Missing TF 78 - 79
Missing TF 79 - 80
2020-05-13T14:38:52	La Güira	Manual testing	2⁸⁰	2⁸¹		-	-	1,256	-	-

ECM factoring results:
No ECM results for M194968771

Lucas-Lehmer results:
No L-L results for M194968771

PRP results:
No PRP results for M194968771

TF factor-bounds graph:

2⁸¹

2⁷⁸

2⁷⁷

2⁷⁶

2⁷⁵

2⁷⁴

2⁷³

2⁷²

2⁷¹

2⁷⁰

2⁶⁹

2⁶⁸

2⁶⁶

2⁶⁵

2⁶⁴

2⁶³

2⁵⁰

2⁶⁰

2⁷⁰

2⁸⁰

2⁹⁰

2¹⁰⁰

Last modified: 2022-05-26T03:55:13+00:00