54 791 381 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 =	580000
B2 =	13195000

Status	Date	User	Residue	Shift	Software
Verified	2011-09-29	Dubslow	8E8D153F5090D6FD	17944873	Windows 64-bit,Prime95,v26.6,build 3
Verified	2020-11-05	daveward2005	8E8D153F5090D6FD	25251903	Windows 64-bit,Prime95,v30.3,build 6

History

Date	User	Type	Result
2020-11-05	daveward2005	C-LL	8E8D153F5090D6FD
2019-05-26	TheJudger	NF	no factor TF: 73-74
2016-02-06	-anonymous-	NF	no factor TF: 72-73
2015-12-18	-anonymous-	NF	no factor TF: 71-72
2011-09-29	Dubslow	C-LL	8E8D153F5090D6FD
2011-09-04	Dubslow	NF-PM1	B1=580000, B2=13195000, E=6
2011-08-08	Chuck	NF	no factor TF: 70-71
2011-05-22	Charles A. Morris	NF	no factor TF: 69-70
2011-04-01	Ungelovende	NF	no factor TF: 68-69
2009-05-13	Gnorfe	NF	no factor TF: 67-68
2009-03-14	Sturle Sunde	NF	no factor TF: 66-67
2009-01-01	megavink	NF	no factor TF: 65-66
2008-12-31	megavink	NF	no factor TF: 64-65
2008-12-28	megavink	NF	no factor TF: 63-64
2008-07-29	-anonymous-	NF	no factor TF: 1-63
2004-04-29	oerwin	NF	no factor TF: 1-62
2002-10-07	-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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