54 797 563 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 =	560000
B2 =	10220000

Status	Date	User	Residue	Shift	Software
Verified	2011-10-10	BSGS	ECD4DE7B9DB67AC3	49871303	Windows,Prime95,v26.6,build 3
Verified	2021-01-31	Dubslow	ECD4DE7B9DB67AC3	149605	Linux 64-bit,Prime95,v29.8,build 6

History

Date	User	Type	Result
2021-01-31	Dubslow	C-LL	ECD4DE7B9DB67AC3
2019-06-17	Jon Pace	NF	no factor TF: 73-74
2016-02-12	-anonymous-	NF	no factor TF: 72-73
2015-12-18	-anonymous-	NF	no factor TF: 71-72
2011-10-10	BSGS	C-LL	ECD4DE7B9DB67AC3
2011-09-15	BSGS	NF-PM1	B1=560000, B2=10220000
2011-08-15	Paul Leyland	NF	no factor TF: 70-71
2011-05-25	Tom Duell	NF	no factor TF: 69-70
2011-04-08	-anonymous-	NF	no factor TF: 68-69
2009-05-09	Inhumierer	NF	no factor TF: 67-68
2009-01-10	Sturle Sunde	NF	no factor TF: 66-67
2009-01-09	dtlgc	NF	no factor TF: 65-66
2009-01-02	dtlgc	NF	no factor TF: 64-65
2008-12-29	CyberChris70	NF	no factor TF: 63-64
2008-07-29	-anonymous-	NF	no factor TF: 1-63
2004-05-11	oerwin	NF	no factor TF: 1-62
2002-10-07	-anonymous-	NF	no factor TF: 1-58
2001-08-26	-anonymous-	NF	no factor TF: 1-57
2000-06-11	-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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