58 047 701 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 =	545000
B2 =	11308750

Status	Date	User	Residue	Shift	Software
Verified	2013-05-14	Reed_Young	2564F398A48D5E87	10013644	Linux 64-bit,Prime95,v26.6,build 3
Verified	2020-08-23	dmbeeson	2564F398A48D5E87	26497712	Linux 64-bit,Prime95,v29.8,build 6

History

Date	User	Type	Result
2020-08-23	dmbeeson	C-LL	2564F398A48D5E87
2019-01-13	ahjota	NF	no factor TF: 73-74
2016-02-23	Mark Rose	NF	no factor TF: 61-63
2013-05-14	Reed_Young	C-LL	2564F398A48D5E87
2012-09-28	Fred Spitler	NF-PM1	B1=545000, B2=11308750, E=6
2012-09-08	Jerry Hallett	NF	no factor TF: 72-73
2012-05-24	Craig Meyers	NF	no factor TF: 71-72
2012-01-17	Kyle Askine	NF	no factor TF: 70-71
2011-09-27	Gnorfe	NF	no factor TF: 69-70
2011-04-30	eon_blue_apocalypse	NF	no factor TF: 68-69
2009-12-03	-anonymous-	NF	no factor TF: 67-68
2008-11-02	James Heinrich	NF	no factor TF: 66-67
2008-11-01	James Heinrich	NF	no factor TF: 65-66
2008-10-31	KYOJI_KAMEI	NF	no factor TF: 64-65
2008-10-26	Sturle Sunde	NF	no factor TF: 63-64
2003-08-25	mdrg	NF	no factor TF: 1-61
2003-07-30	-anonymous-	NF	no factor TF: 1-59
2002-04-28	-anonymous-	NF	no factor TF: 1-58
2001-07-07	-anonymous-	NF	no factor TF: 1-57
2000-06-11	-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
1999-12-08	-anonymous-	NF	no factor TF: 1-53

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