57 128 059 Exponent Status

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁷⁴

TF target 2⁷³

P-1

B1 =	245000
B2 =	4103750

Status	Date	User	Residue	Shift	Software
Bad	2012-10-22	-anonymous-	0000000000000000	0	Windows,Prime95,v26.5,build 5
Verified	2014-02-25	Kent Freeze	5E756F610E3BBF4F	23969583	Windows,Prime95,v27.9,build 1
Verified	2015-02-14	MadPoo 🙂	5E756F610E3BBF4F	12950200	Windows 64-bit,Prime95,v26,(aka We4)

History

Date	User	Type	Result
2018-01-26	monst	NF	no factor TF: 73-74
2016-02-23	Mark Rose	NF	no factor TF: 60-63
2015-02-14	MadPoo 🙂	C-LL	5E756F610E3BBF4F
2014-02-25	Kent Freeze	C-LL	5E756F610E3BBF4F
2012-08-20	hustensaft	NF-PM1	B1=245000, B2=4103750, E=6
2012-08-19	Torchwood Institute	NF	no factor TF: 72-73
2012-08-19	Torchwood Institute	NF	no factor TF: 71-72
2011-06-13	rduerr	NF	no factor TF: 69-71
2011-04-25	tmorrow	NF	no factor TF: 68-69
2009-05-29	curtisc	NF	no factor TF: 67-68
2009-01-14	James Hintz	NF	no factor TF: 66-67
2009-01-11	James Hintz	NF	no factor TF: 65-66
2009-01-09	James Hintz	NF	no factor TF: 64-65
2008-10-14	Boulder	NF	no factor TF: 63-64
2003-07-30	Team Prime Rib	NF	no factor TF: 1-60
2002-10-26	-anonymous-	NF	no factor TF: 1-58
2001-09-22	-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
2000-06-26	-anonymous-	NF	no factor TF: 1-56
2000-03-08	-anonymous-	NF	no factor TF: 1-54
2000-01-04	-anonymous-	NF	no factor TF: 1-53
1999-12-08	-anonymous-	NF	no factor TF: 1-53

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