58 496 237 Exponent Status

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁷⁵

TF target 2⁷³

P-1

B1 =	550000
B2 =	11275000

Status	Date	User	Residue	Shift	Software
Verified	2015-06-23	Bruno Victal	549FA0AFE9D45667	49649199	Windows 64-bit,Prime95,v28.5,build 2
Verified	2015-07-01	Bruno Victal	549FA0AFE9D45667	50109666	Linux 64-bit,Prime95,v28.5,build 2
Verified	2015-07-10	johnsilver	549FA0AFE9D45667	32763701	Windows 64-bit,Prime95,v28.5,build 2

History

Date	User	Type	Result
2016-02-23	Mark Rose	NF	no factor TF: 61-63
2015-07-10	johnsilver	C-LL	549FA0AFE9D45667
2015-07-01	Bruno Victal	C-LL	549FA0AFE9D45667
2015-06-23	Bruno Victal	C-LL	549FA0AFE9D45667
2015-06-05	Bruno Victal	NF	no factor TF: 74-75
2014-12-24	Jerry Hallett	NF	no factor TF: 73-74
2012-11-04	TheJudger	NF-PM1	B1=550000, B2=11275000, E=12
2012-09-30	Torchwood Institute	NF	no factor TF: 72-73
2012-07-07	TheJudger	NF	no factor TF: 71-72
2011-05-02	Ungelovende	NF	no factor TF: 70-71
2011-05-02	Ungelovende	NF	no factor TF: 69-70
2011-05-02	Ungelovende	NF	no factor TF: 68-69
2009-09-12	Sturle Sunde	NF	no factor TF: 67-68
2009-03-21	SAHS Physics Club	NF	no factor TF: 66-67
2009-03-19	SAHS Physics Club	NF	no factor TF: 65-66
2009-03-17	SAHS Physics Club	NF	no factor TF: 64-65
2009-03-15	ANONYMOUS	NF	no factor TF: 63-64
2003-12-13	-anonymous-	NF	no factor TF: 1-61
2003-12-02	-anonymous-	NF	no factor TF: 1-61
2003-07-30	-anonymous-	NF	no factor TF: 1-59
2002-10-07	-anonymous-	NF	no factor TF: 1-58
2001-07-17	-anonymous-	NF	no factor TF: 1-57
2000-06-29	-anonymous-	NF	no factor TF: 1-56
2000-06-28	-anonymous-	NF	no factor TF: 1-56
2000-02-09	-anonymous-	NF	no factor TF: 1-54
1999-12-23	-anonymous-	NF	no factor TF: 1-53

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