50 440 067 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 =	495000
B2 =	5073750

Status	Date	User	Residue	Shift	Software
Verified	2012-11-25	arnaud	47711AE3D45EEBBF	33632027	Windows Service,Prime95,v26.6,build 3
Verified	2020-03-29	Dubslow	47711AE3D45EEBBF	23874	Linux 64-bit,Prime95,v29.8,build 6

History

Date	User	Type	Result
2020-03-29	Dubslow	C-LL	47711AE3D45EEBBF
2019-06-02	TheJudger	NF	no factor TF: 73-74
2016-02-06	AirSquirrels	NF	no factor TF: 72-73
2012-11-25	arnaud	C-LL	47711AE3D45EEBBF
2012-02-03	megavink	NF	no factor TF: 71-72
2012-02-03	megavink	NF	no factor TF: 70-71
2010-05-19	-anonymous-	NF-PM1	B1=495000, B2=5073750
2010-03-17	Yves Bellefeuille	NF	no factor TF: 1-70
2010-01-11	Yves Bellefeuille	NF	no factor TF: 1-70
2009-12-05	Ungelovende	NF	no factor TF: 67-68
2009-12-03	Ungelovende	NF	no factor TF: 66-67
2009-11-19	Rob_Dee	NF	no factor TF: 65-66
2009-11-04	Rob_Dee	NF	no factor TF: 64-65
2009-09-01	Architects Cubed	NF	no factor TF: 63-64
2003-11-08	-anonymous-	NF	no factor TF: 1-60
2003-08-25	-anonymous-	NF	no factor TF: 1-59
2002-01-02	-anonymous-	NF	no factor TF: 1-58
2001-04-21	-anonymous-	NF	no factor TF: 1-57
2000-04-05	-anonymous-	NF	no factor TF: 1-56
2000-02-09	-anonymous-	NF	no factor TF: 1-54
2000-01-04	-anonymous-	NF	no factor TF: 1-53
1999-10-07	-anonymous-	NF	no factor TF: 1-53

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