54 918 709 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 =	11717500

Status	Date	User	Residue	Shift	Software
Verified	2013-09-04	-anonymous-	F47A89D9DC6737E8	5262756	Windows,Prime95,v25.11,build 2
Verified	2021-02-16	Dubslow	F47A89D9DC6737E8	32265290	Linux 64-bit,Prime95,v29.8,build 6

History

Date	User	Type	Result
2021-02-16	Dubslow	C-LL	F47A89D9DC6737E8
2019-05-26	TheJudger	NF	no factor TF: 73-74
2016-02-05	-anonymous-	NF	no factor TF: 72-73
2013-09-04	-anonymous-	C-LL	F47A89D9DC6737E8
2012-05-04	Jerry Hallett	NF-PM1	B1=545000, B2=11717500, E=12
2012-04-09	Craig Meyers	NF	no factor TF: 71-72
2011-08-25	David Campeau	NF	no factor TF: 70-71
2011-05-23	Paul Leyland	NF	no factor TF: 69-70
2011-04-06	Gymnasium_Raubling	NF	no factor TF: 68-69
2009-05-13	Sturle Sunde	NF	no factor TF: 67-68
2009-05-11	Sturle Sunde	NF	no factor TF: 66-67
2009-02-05	-anonymous-	NF	no factor TF: 65-66
2009-01-06	Paul	NF	no factor TF: 64-65
2008-12-30	Paul	NF	no factor TF: 63-64
2008-07-29	-anonymous-	NF	no factor TF: 1-63
2004-02-07	oerwin	NF	no factor TF: 1-62
2002-10-12	-anonymous-	NF	no factor TF: 1-58
2001-08-26	-anonymous-	NF	no factor TF: 1-57
2000-06-11	-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
1999-12-15	-anonymous-	NF	no factor TF: 1-53

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