58 730 143 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 =	550000
B2 =	11137500

Status	Date	User	Residue	Shift	Software
Verified	2012-12-02	Reed_Young	D341D5522FC00B5B	27608106	Linux 64-bit,Prime95,v26.6,build 3
Verified	2021-07-20	AuspiciousLLama	D341D5522FC00B5B	43605332	Windows 64-bit,Prime95,v28.10,build 1

History

Date	User	Type	Result
2021-07-20	AuspiciousLLama	C-LL	D341D5522FC00B5B
2020-11-10	-anonymous-	NF	no factor TF: 75-76
2020-10-26	-anonymous-	NF	no factor TF: 74-75
2018-10-05	bayanne	NF	no factor TF: 73-74
2016-02-23	Mark Rose	NF	no factor TF: 60-63
2012-12-02	Reed_Young	C-LL	D341D5522FC00B5B
2012-08-18	GrunwalderGIMP	NF-PM1	B1=550000, B2=11137500
2012-07-17	Jerry Hallett	NF	no factor TF: 72-73
2012-07-17	Jerry Hallett	NF	no factor TF: 71-72
2011-05-17	steinrar	NF	no factor TF: 70-71
2011-05-17	steinrar	NF	no factor TF: 69-70
2009-06-17	ClknGo Software	NF	no factor TF: 68-69
2009-06-12	Sara	NF	no factor TF: 67-68
2009-03-13	Adam Alexander	NF	no factor TF: 66-67
2008-11-09	Scott Kurowski	NF	no factor TF: 65-66
2008-11-07	Matthias Eckoldt	NF	no factor TF: 64-65
2008-11-03	BranMuffin	NF	no factor TF: 63-64
2003-12-02	1997rj7	NF	no factor TF: 1-60
2003-07-30	-anonymous-	NF	no factor TF: 1-59
2002-10-26	-anonymous-	NF	no factor TF: 1-58
2001-07-17	-anonymous-	NF	no factor TF: 1-57
2000-07-03	-anonymous-	NF	no factor TF: 1-56
2000-06-29	-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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