53 454 109 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 =	620000
B2 =	14880000

Status	Date	User	Residue	Shift	Software
Verified	2012-07-16	Markus Krämer	FC55B249A072287A	51734533	Windows 64-bit,Prime95,v26.6,build 3
Verified	2020-09-16	Dubslow	FC55B249A072287A	18431459	Linux 64-bit,Prime95,v29.8,build 6

History

Date	User	Type	Result
2020-09-16	Dubslow	C-LL	FC55B249A072287A
2019-07-29	Chuck	NF	no factor TF: 73-74
2016-02-03	AirSquirrels	NF	no factor TF: 72-73
2012-07-16	Markus Krämer	C-LL	FC55B249A072287A
2012-02-07	Numberwang	NF	no factor TF: 71-72
2012-02-07	Numberwang	NF	no factor TF: 70-71
2011-05-31	megavink	NF	no factor TF: 69-70
2010-11-27	NYC Pet Adoption	NF	no factor TF: 68-69
2010-11-22	GrunwalderGIMP	NF-PM1	B1=620000, B2=14880000
2009-05-09	Johannes Weingartner	NF	no factor TF: 67-68
2008-12-19	Burgalveist	NF	no factor TF: 66-67
2008-12-18	Burgalveist	NF	no factor TF: 65-66
2008-12-18	Caleb	NF	no factor TF: 64-65
2008-06-23	-anonymous-	NF	no factor TF: 1-64
2007-09-13	1997rj7	NF	no factor TF: 1-63
2004-05-11	1997rj7	NF	no factor TF: 1-60
2002-07-06	-anonymous-	NF	no factor TF: 1-58
2001-08-12	-anonymous-	NF	no factor TF: 1-57
2000-05-24	-anonymous-	NF	no factor TF: 1-56
2000-03-01	-anonymous-	NF	no factor TF: 1-54
2000-01-12	-anonymous-	NF	no factor TF: 1-53
1999-12-08	-anonymous-	NF	no factor TF: 1-53

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