51 922 373 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 =	545000
B2 =	12126250

Status	Date	User	Residue	Shift	Software
Verified	2011-09-22	Dubslow	BCAE77CAC9953822	12015308	Windows 64-bit,Prime95,v26.6,build 3
Verified	2019-11-06	Ryan Propper	BCAE77CAC9953822	2999197	Linux 64-bit,Prime95,v29.5,(aka Wh8)

History

Date	User	Type	Result
2019-11-06	Ryan Propper	C-LL	BCAE77CAC9953822
2019-06-15	lobsterfordinner	NF	no factor TF: 73-74
2016-02-23	Mark Rose	NF	no factor TF: 60-63
2016-01-24	AirSquirrels	NF	no factor TF: 72-73
2015-12-18	-anonymous-	NF	no factor TF: 71-72
2011-09-22	Dubslow	C-LL	BCAE77CAC9953822
2011-08-13	Dubslow	NF-PM1	B1=545000, B2=12126250
2011-08-05	Dubslow	NF	no factor TF: 69-71
2010-04-07	Davek	NF	no factor TF: 68-69
2009-08-07	tmorrow	NF	no factor TF: 67-68
2009-08-02	SAHS Tech Dept	NF	no factor TF: 66-67
2009-04-13	benthomas	NF	no factor TF: 65-66
2009-04-09	benthomas	NF	no factor TF: 64-65
2008-12-04	James Hintz	NF	no factor TF: 63-64
2003-11-28	apocalypse	NF	no factor TF: 1-60
2002-03-24	-anonymous-	NF	no factor TF: 1-58
2001-06-03	-anonymous-	NF	no factor TF: 1-57
2000-04-27	-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

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