54 677 989 Exponent Status

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁷³

TF target 2⁷³

P-1

B1 =	575000
B2 =	12793750

Status	Date	User	Residue	Shift	Software
Bad	2012-11-01	ANONYMOUS	32734C0E88FECA4D	46182443	Windows,Prime95,v25.7,build 3
Verified	2013-06-08	Reed_Young	F83CF2049EB714C0	34434313	Linux 64-bit,Prime95,v26.6,build 3
Verified	2016-11-05	endless_mike	F83CF2049EB714C0	38306004	Linux 64-bit,Prime95,v28.9,build 2

History

Date	User	Type	Result
2016-11-05	endless_mike	C-LL	F83CF2049EB714C0
2015-07-29	Mark Rose	NF	no factor TF: 72-73
2013-06-08	Reed_Young	C-LL	F83CF2049EB714C0
2012-11-01	ANONYMOUS	C-LL	32734C0E88FECA4D
2012-06-28	Kevin Jaget	NF	no factor TF: 71-72
2011-10-31	nextPrime	NF-PM1	B1=575000, B2=12793750
2011-08-15	Roy Oswald	NF	no factor TF: 70-71
2011-08-15	Roy Oswald	NF	no factor TF: 69-70
2011-04-01	Ungelovende	NF	no factor TF: 68-69
2009-05-10	raymondf	NF	no factor TF: 67-68
2009-01-08	tmorrow	NF	no factor TF: 66-67
2009-01-07	tmorrow	NF	no factor TF: 65-66
2008-12-29	megavink	NF	no factor TF: 64-65
2008-12-27	Sturle Sunde	NF	no factor TF: 63-64
2008-07-29	-anonymous-	NF	no factor TF: 1-63
2004-04-29	oerwin	NF	no factor TF: 1-62
2002-09-29	-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
1999-12-15	-anonymous-	NF	no factor TF: 1-53

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