52 364 863 Exponent Status

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁷⁶

TF target 2⁷³

P-1

B1 =	850000
B2 =	16451250

Status	Date	User	Residue	Shift	Software
Bad	2011-07-08	Ken F	39366998AD4CF82E	28991708	Windows 64-bit,Prime95,v26.5,build 5
Verified	2019-11-23	Dubslow	0EC02A1F3945F5E1	48768256	Linux 64-bit,Prime95,v29.8,build 6
Verified	2019-12-18	ANONYMOUS	0EC02A1F3945F5E1	43856086	Windows 64-bit,Prime95,v28.9,build 2

History

Date	User	Type	Result
2020-06-16	-anonymous-	NF	no factor TF: 75-76
2020-06-15	-anonymous-	NF	no factor TF: 74-75
2019-12-18	ANONYMOUS	C-LL	0EC02A1F3945F5E1
2019-11-23	Dubslow	C-LL	0EC02A1F3945F5E1
2019-07-01	-anonymous-	NF	no factor TF: 73-74
2016-02-06	AirSquirrels	NF	no factor TF: 72-73
2015-12-18	-anonymous-	NF	no factor TF: 71-72
2015-08-15	LaurV	NF	no factor TF: 70-71
2014-11-05	Nesowa	NF	no factor TF: 69-70
2011-07-08	Ken F	C-LL	39366998AD4CF82E
2011-04-23	Ken F	NF-PM1	B1=850000, B2=16451250, E=12
2010-04-21	Davek	NF	no factor TF: 68-69
2009-04-19	ThatGuy	NF	no factor TF: 67-68
2008-12-15	Matt	NF	no factor TF: 66-67
2008-12-10	Sturle Sunde	NF	no factor TF: 65-66
2008-12-07	James Heinrich	NF	no factor TF: 64-65
2008-11-06	Derek	NF	no factor TF: 1-64
2007-05-12	-anonymous-	NF	no factor TF: 1-63
2004-02-23	1997rj7	NF	no factor TF: 1-60
2003-11-28	1997rj7	NF	no factor TF: 1-59
2002-04-28	-anonymous-	NF	no factor TF: 1-58
2001-06-23	-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
1999-12-01	-anonymous-	NF	no factor TF: 1-53

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