M160308217 Mersenne number exponent details

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is 2 ^160308217 - 1

has 48257582 decimal digits

takes 1,052.023 GHz-days to do one PRP test

Last-known PrimeNet details:
-unknown- L-L 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	2⁷⁶	95.4661	63.1579%	-	-	-	-	95.4661	63.1579%	0.9957%
PrimeNet	2⁷⁴	23.8657	62.1622%	650000	36000000	24.5119	5.3530%	48.3776	67.5151%	5.3530%
GPU72	2⁷⁸	381.8676	64.1026%	1000000	36000000	27.6609	3.8993%	409.5285	68.0019%	3.8993%
Difference	-2	-286.4015	-0.9447%	-1000000	-36000000	-27.6609	-3.8993%	-314.0624	-4.8440%	-4.8440%

Known prime factors (1 factor, 75.6 bits, 0.00004716% known):

Remaining cofactor is PRP status unknown

								GHz-days
exponent	factor	digits	bits*	k	min B1	min B2	date found	min. TF	min. P-1	normal P-1
160308217	57066293651801815495319	23	75.595	177989296867427 34127 × 5215497901	34127	5215497901	2017-12-25	84.793	2,704.2	5,050.2

P-1 results:
Exponent "160308217" not found

Trial Factoring results:

			Bits		Factor			GHz-Days		worth
date	userid	compid	from	to	factor	bits*	digits	spent	saved	worth
2010-06-29T05:05:00	sasaki3	mate_ma2	2⁶³	2⁶⁴		-	-	0.012	-	-
2011-02-02T03:52:00	dsl	s2	2⁶⁴	2⁶⁵		-	-	0.023	-	-
2013-02-27T09:43:00	Richard	8F02	2⁶⁵	2⁶⁶		-	-	0.047	-	-
2015-05-02T22:06:00	guru	s6	2⁶⁶	2⁶⁷		-	-	0.093	-	-
2016-03-02T06:07:37	XZT	Manual testing	2⁶⁷	2⁶⁸		-	-	0.186	-	-
2017-03-26T01:01:49	Xolotl	armstrong-phi-13	2⁶⁸	2⁶⁹		-	-	0.373	-	-
2017-12-03T08:58:33	Luigi R.	Manual testing	2⁶⁹	2⁷⁰		-	-	0.746	-	-
2017-12-25T17:13:09	Oliver Kruse	Manual testing	2⁷⁰	2⁷⁶	57066293651801815495319	75.595	23	83.30	2,141	169.5

ECM factoring results:
Exponent "160308217" not found

Lucas-Lehmer results:
Exponent "160308217" not found

PRP results:
Exponent "160308217" not found

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

10³

10⁴

10⁵

10³

10⁴

10⁵

10⁶

10⁷

10⁸

10⁹

10¹⁰

TF factor-bounds graph:

2⁷⁶

2⁷⁰

2⁶⁹

2⁶⁸

2⁶⁷

2⁶⁶

2⁶⁵

2⁶⁴

2⁵⁰

2⁶⁰

2⁷⁰

2⁸⁰

2⁹⁰

2¹⁰⁰

Last modified: 2017-12-25T17:13:09+00:00