52 068 761 Exponent Status

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁷⁴

TF target 2⁷³

P-1

B1 =	605000
B2 =	14822500

Status	Date	User	Residue	Shift	Software
Verified	2012-06-24	curtisc	8B5768D719E2B3AF	34959606	Windows Service,Prime95,v26.5,build 5
Verified	2020-06-20	Dubslow	8B5768D719E2B3AF	35534773	Linux 64-bit,Prime95,v29.8,build 6

History

Date	User	Type	Result
2020-06-20	Dubslow	C-LL	8B5768D719E2B3AF
2019-06-02	Jon Pace	NF	no factor TF: 73-74
2016-02-05	David Campeau	NF	no factor TF: 72-73
2012-06-24	curtisc	C-LL	8B5768D719E2B3AF
2012-02-27	delta_t	NF	no factor TF: 71-72
2012-02-16	Kyle Askine	NF	no factor TF: 70-71
2011-12-16	Kyle Askine	NF	no factor TF: 69-70
2011-09-28	Eric Christenson	NF-PM1	B1=605000, B2=14822500
2011-08-26	physxist	NF-PM1	B1=575000, B2=10062500
2010-04-10	drmartin4	NF	no factor TF: 68-69
2009-04-18	Juampaneo	NF	no factor TF: 67-68
2009-02-19	tmorrow	NF	no factor TF: 66-67
2009-02-15	rx7350	NF	no factor TF: 65-66
2008-12-05	benthomas	NF	no factor TF: 64-65
2008-10-19	Derek	NF	no factor TF: 1-64
2006-10-24	-anonymous-	NF	no factor TF: 1-63
2004-01-27	1997rj7	NF	no factor TF: 1-60
2003-11-16	1997rj7	NF	no factor TF: 1-59
2002-04-07	-anonymous-	NF	no factor TF: 1-58
2001-06-03	-anonymous-	NF	no factor TF: 1-57
2000-05-05	-anonymous-	NF	no factor TF: 1-56
2000-02-23	-anonymous-	NF	no factor TF: 1-54
2000-01-04	-anonymous-	NF	no factor TF: 1-53
2000-01-04	-anonymous-	NF	no factor TF: 1-53

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