54 425 159 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 =	645000
B2 =	17898750

Status	Date	User	Residue	Shift	Software
Verified	2013-05-07	-anonymous-	12BB5C02273DC955	13564217	Windows 64-bit,Prime95,v27.9,build 1
Verified	2020-12-29	Dubslow	12BB5C02273DC955	5735450	Linux 64-bit,Prime95,v29.8,build 6

History

Date	User	Type	Result
2020-12-29	Dubslow	C-LL	12BB5C02273DC955
2019-07-25	linament	NF	no factor TF: 73-74
2016-02-11	Judge Hale	NF	no factor TF: 72-73
2013-05-07	-anonymous-	C-LL	12BB5C02273DC955
2012-06-02	megavink	NF	no factor TF: 71-72
2011-09-08	megavink	NF	no factor TF: 70-71
2011-07-21	Erik Oppedijk	NF	no factor TF: 69-70
2011-06-13	RunSkipJak73	NF	no factor TF: 68-69
2011-06-06	Eric Landquist	NF-PM1	B1=645000, B2=17898750
2009-07-08	jdk7897	NF	no factor TF: 67-68
2008-12-31	-anonymous-	NF	no factor TF: 66-67
2008-12-28	Sturle Sunde	NF	no factor TF: 65-66
2008-12-27	Sturle Sunde	NF	no factor TF: 64-65
2008-12-15	1997rj7	NF	no factor TF: 1-64
2008-07-01	Corbyguy	NF	no factor TF: 62-63
2003-11-28	oerwin	NF	no factor TF: 1-62
2002-09-07	-anonymous-	NF	no factor TF: 1-58
2001-08-31	-anonymous-	NF	no factor TF: 1-57
2000-05-31	-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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