55 165 567 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 =	12180000

Status	Date	User	Residue	Shift	Software
Verified	2012-01-16	David Lee	BCE214DF63073D3C	33586145	Windows 64-bit,Prime95,v26.6,build 3
Verified	2021-03-03	Dubslow	BCE214DF63073D3C	46713904	Linux 64-bit,Prime95,v29.8,build 6

History

Date	User	Type	Result
2021-03-03	Dubslow	C-LL	BCE214DF63073D3C
2019-05-26	TheJudger	NF	no factor TF: 73-74
2016-01-29	-anonymous-	NF	no factor TF: 72-73
2015-12-07	Sid & Andy	NF	no factor TF: 71-72
2012-01-16	David Lee	C-LL	BCE214DF63073D3C
2011-11-11	David Lee	NF-PM1	B1=580000, B2=12180000
2011-05-28	shauge	NF	no factor TF: 70-71
2011-05-28	shauge	NF	no factor TF: 69-70
2011-04-10	PVasilev	NF	no factor TF: 68-69
2009-08-20	trif	NF	no factor TF: 67-68
2009-03-10	jfarek	NF	no factor TF: 66-67
2009-03-08	-anonymous-	NF	no factor TF: 65-66
2009-03-06	-anonymous-	NF	no factor TF: 64-65
2008-09-08	-anonymous-	NF	no factor TF: 1-64
2002-07-06	-anonymous-	NF	no factor TF: 1-58
2001-09-10	-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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