50 789 023 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 =	600000
B2 =	16650000

Status	Date	User	Residue	Shift	Software
Verified	2010-07-04	f55r	BB51EA39BFCEB98E	17345487	Windows 64-bit,Prime95,v25.9,build 4
Verified	2020-05-14	Dubslow	BB51EA39BFCEB98E	23871735	Linux 64-bit,Prime95,v29.8,build 6

History

Date	User	Type	Result
2020-05-14	Dubslow	C-LL	BB51EA39BFCEB98E
2019-06-02	TheJudger	NF	no factor TF: 73-74
2016-01-08	AirSquirrels	NF	no factor TF: 72-73
2015-11-11	Mark Rose	NF	no factor TF: 71-72
2015-06-27	Mark Rose	NF	no factor TF: 70-71
2015-01-19	monst	NF	no factor TF: 69-70
2010-07-04	f55r	C-LL	BB51EA39BFCEB98E
2009-09-30	Per Jessen	NF	no factor TF: 68-69
2009-09-25	Craig Meyers	NF-PM1	B1=600000, B2=16650000
2009-09-22	Artur Zur	NF	no factor TF: 67-68
2008-11-27	Sturle Sunde	NF	no factor TF: 66-67
2008-11-26	Sturle Sunde	NF	no factor TF: 65-66
2008-11-25	Sturle Sunde	NF	no factor TF: 64-65
2008-09-25	Derek	NF	no factor TF: 1-64
2007-03-20	James Heinrich	NF	no factor TF: 1-63
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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