50 868 683 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 =	605000
B2 =	17998750

Status	Date	User	Residue	Shift	Software
Verified	2010-09-20	bandeira	F80DB243AB2E371C	10017516	Windows 64-bit,Prime95,v25.11,build 2
Verified	2020-05-24	Dubslow	F80DB243AB2E371C	20285242	Linux 64-bit,Prime95,v29.8,build 6

History

Date	User	Type	Result
2020-05-24	Dubslow	C-LL	F80DB243AB2E371C
2018-11-13	Mark Rose	NF	no factor TF: 73-74
2015-12-11	AirSquirrels	NF	no factor TF: 72-73
2015-11-24	Judge Hale	NF	no factor TF: 71-72
2015-05-25	Mark Rose	NF	no factor TF: 70-71
2015-01-24	monst	NF	no factor TF: 69-70
2010-09-20	bandeira	C-LL	F80DB243AB2E371C
2009-08-07	roemer2201	NF	no factor TF: 68-69
2009-07-21	kmd	NF-PM1	B1=605000, B2=17998750, E=6
2009-06-13	Sturle Sunde	NF	no factor TF: 67-68
2009-01-27	S36049	NF	no factor TF: 66-67
2009-01-26	S36049	NF	no factor TF: 65-66
2009-01-24	Jan Roman	NF	no factor TF: 64-65
2008-10-01	Derek	NF	no factor TF: 1-64
2003-11-08	-anonymous-	NF	no factor TF: 1-60
2003-08-31	-anonymous-	NF	no factor TF: 1-59
2003-08-25	-anonymous-	NF	no factor TF: 1-59
2002-01-22	-anonymous-	NF	no factor TF: 1-58
2001-04-21	-anonymous-	NF	no factor TF: 1-57
2000-04-19	-anonymous-	NF	no factor TF: 1-56
2000-02-09	-anonymous-	NF	no factor TF: 1-54
2000-01-04	-anonymous-	NF	no factor TF: 1-53
1999-10-15	-anonymous-	NF	no factor TF: 1-53

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