65 008 907 Exponent Status

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁷⁵

TF target 2⁷⁴

P-1

B1 =	580000
B2 =	11020000

Status	Date	User	Residue	Shift	Software
Verified	2014-12-31	James Rushworth	F646D2748807E4DC	21789727	Linux 64-bit,Prime95,v28.5,build 2
Verified	2023-10-01	MateoPB	F646D2748807E4DC	41654370	Windows 64-bit,Prime95,v30.8,build 17
Verified	2023-10-01	Keith Schwab	F646D2748807E4DC	57143789	Windows,Prime95,v29.4,build 7
Verified	2023-10-10	-anonymous-	F646D2748807E4DC	23306154	Windows 64-bit,Prime95,v29.4,build 7

History

Date	User	Type	Result
2023-10-10	-anonymous-	C-LL	F646D2748807E4DC
2023-10-01	Keith Schwab	C-LL	F646D2748807E4DC
2023-10-01	MateoPB	C-LL	F646D2748807E4DC
2022-11-09	La Güira	NF	no factor TF: 74-75
2016-03-28	Mark Rose	NF	no factor TF: 60-64
2014-12-31	James Rushworth	C-LL	F646D2748807E4DC
2013-07-15	Scott Hemphill	NF-PM1	B1=580000, B2=11020000
2013-07-10	Jerry Hallett	NF	no factor TF: 73-74
2013-07-10	Jerry Hallett	NF	no factor TF: 72-73
2013-07-10	Jerry Hallett	NF	no factor TF: 71-72
2013-03-28	SMoffat	NF	no factor TF: 70-71
2012-01-10	debrouxl	NF	no factor TF: 69-70
2009-12-21	PsYcHo_mtg	NF	no factor TF: 68-69
2009-12-20	PsYcHo_mtg	NF	no factor TF: 67-68
2009-03-19	glennpat	NF	no factor TF: 66-67
2009-03-17	glennpat	NF	no factor TF: 65-66
2009-03-16	-anonymous-	NF	no factor TF: 64-65
2004-02-14	1997rj7	NF	no factor TF: 1-60
2003-10-31	Gordon Spence	NF	no factor TF: 1-59
1999-12-23	-anonymous-	NF	no factor TF: 1-53

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