52 982 687 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 =	630000
B2 =	18427500

Status	Date	User	Residue	Shift	Software
Verified	2013-11-05	Peter Németh	EED3E9E78FACE6ED	38023010	Windows 64-bit,Prime95,v27.7,build 2
Verified	2020-07-21	Dubslow	EED3E9E78FACE6ED	23881674	Linux 64-bit,Prime95,v29.8,build 6

History

Date	User	Type	Result
2020-07-21	Dubslow	C-LL	EED3E9E78FACE6ED
2020-06-20	-anonymous-	NF	no factor TF: 75-76
2020-06-18	-anonymous-	NF	no factor TF: 74-75
2019-07-10	-anonymous-	NF	no factor TF: 73-74
2015-12-28	LaurV	NF	no factor TF: 72-73
2013-11-05	Peter Németh	C-LL	EED3E9E78FACE6ED
2012-02-03	Craig Meyers	NF	no factor TF: 70-72
2011-11-22	Kyle Askine	NF	no factor TF: 69-70
2010-08-09	Cow_tipping	NF	no factor TF: 68-69
2010-08-05	Xenon	NF-PM1	B1=630000, B2=18427500
2009-06-29	Bob-A	NF	no factor TF: 67-68
2008-12-17	Sturle Sunde	NF	no factor TF: 66-67
2008-12-15	Sturle Sunde	NF	no factor TF: 65-66
2008-12-14	Sturle Sunde	NF	no factor TF: 64-65
2008-11-12	Derek	NF	no factor TF: 1-64
2008-10-04	-anonymous-	NF	no factor TF: 1-63
2004-04-09	1997rj7	NF	no factor TF: 1-60
2002-06-09	-anonymous-	NF	no factor TF: 1-58
2001-07-17	-anonymous-	NF	no factor TF: 1-57
2000-05-17	-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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