54 046 819 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 =	640000
B2 =	17760000

Status	Date	User	Residue	Shift	Software
Verified	2011-10-17	Dubslow	0640A989E9BECF61	22257680	Windows 64-bit,Prime95,v26.6,build 3
Verified	2020-08-12	AMR	0640A989E9BECF61	1665743	Windows 64-bit,Prime95,v28.9,build 2

History

Date	User	Type	Result
2020-08-12	AMR	C-LL	0640A989E9BECF61
2019-07-23	Chuck	NF	no factor TF: 73-74
2016-02-09	AirSquirrels	NF	no factor TF: 72-73
2015-12-18	-anonymous-	NF	no factor TF: 71-72
2011-10-17	Dubslow	C-LL	0640A989E9BECF61
2011-09-08	megavink	NF	no factor TF: 70-71
2011-07-16	Allan Manangan	NF	no factor TF: 69-70
2011-06-15	Mathematicae KUHMANN	NF	no factor TF: 68-69
2011-06-06	RichD0	NF-PM1	B1=640000, B2=17760000
2009-07-02	unconnected	NF	no factor TF: 67-68
2009-02-23	ctenzer	NF	no factor TF: 66-67
2009-02-21	Old Duffer	NF	no factor TF: 65-66
2008-12-22	Sturle Sunde	NF	no factor TF: 64-65
2008-11-10	1997rj7	NF	no factor TF: 1-64
2003-07-21	oerwin	NF	no factor TF: 1-62
2002-08-17	-anonymous-	NF	no factor TF: 1-58
2001-08-18	-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
1999-12-01	-anonymous-	NF	no factor TF: 1-53

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