54 391 943 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 =	540000
B2 =	11475000

Status	Date	User	Residue	Shift	Software
Verified	2012-11-07	shanmin	89D0BD815DCCBE8F	5684085	Linux 64-bit,Prime95,v25.11,build 2
Verified	2020-12-06	Dubslow	89D0BD815DCCBE8F	26594038	Linux 64-bit,Prime95,v29.8,build 6

History

Date	User	Type	Result
2020-12-06	Dubslow	C-LL	89D0BD815DCCBE8F
2019-08-04	Mark Rose	NF	no factor TF: 73-74
2016-02-08	Judge Hale	NF	no factor TF: 72-73
2012-11-07	shanmin	C-LL	89D0BD815DCCBE8F
2012-04-13	Dubslow	NF-PM1	B1=540000, B2=11475000, E=12
2012-04-07	Craig Meyers	NF	no factor TF: 71-72
2011-07-30	TheJudger	NF	no factor TF: 70-71
2011-04-01	TheJudger	NF	no factor TF: 69-70
2011-04-01	TheJudger	NF	no factor TF: 68-69
2009-05-09	SAHS Science Dept	NF	no factor TF: 67-68
2009-01-01	-anonymous-	NF	no factor TF: 66-67
2008-12-29	-anonymous-	NF	no factor TF: 65-66
2008-12-25	b.e.wilson	NF	no factor TF: 64-65
2008-12-15	1997rj7	NF	no factor TF: 1-64
2008-06-23	Corbyguy	NF	no factor TF: 62-63
2003-11-28	oerwin	NF	no factor TF: 1-62
2003-04-27	oerwin	NF	no factor TF: 1-59
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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