55 112 461 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 =	585000
B2 =	13455000

Status	Date	User	Residue	Shift	Software
Verified	2013-01-07	Aaron J. Soley	AEB9E9FDB7A1A768	20248939	Windows,Prime95,v26.5,build 5
Verified	2020-12-31	Dubslow	AEB9E9FDB7A1A768	37010342	Linux 64-bit,Prime95,v29.8,build 6

History

Date	User	Type	Result
2020-12-31	Dubslow	C-LL	AEB9E9FDB7A1A768
2019-05-10	kracker	NF	no factor TF: 73-74
2016-02-05	-anonymous-	NF	no factor TF: 72-73
2013-01-07	Aaron J. Soley	C-LL	AEB9E9FDB7A1A768
2012-03-27	sikafarmi_rendering_farm	NF	no factor TF: 71-72
2012-03-14	Torchwood Institute	NF-PM1	B1=585000, B2=13455000, E=12
2011-05-28	shauge	NF	no factor TF: 70-71
2011-05-28	shauge	NF	no factor TF: 69-70
2011-04-07	oddprime	NF	no factor TF: 68-69
2009-05-14	subgenius	NF	no factor TF: 67-68
2009-03-22	CPSlacker	NF	no factor TF: 66-67
2009-03-19	ComputerraRU	NF	no factor TF: 65-66
2009-03-17	Harri Järvi	NF	no factor TF: 64-65
2008-08-11	-anonymous-	NF	no factor TF: 1-64
2002-06-29	-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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