36 473 873 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁷³

TF target 2⁷¹

P-1

B1 =	395000
B2 =	3456250

Status	Date	User	Residue	Shift	Software
Verified	2008-03-05	Aaron Roth	0281FBC56C3F6947	17771293	Windows,Prime95,v24 final,(aka Wc1)
Verified	2016-07-02	Dubslow	0281FBC56C3F6947	18843620	Linux 64-bit,Prime95,v28.7,build 1

History

Date	User	Type	Result
2024-05-28	LaurV	NF	no factor TF: 68-69
2019-10-25	-anonymous-	NF	no factor TF: 71-72
2019-10-25	-anonymous-	NF	no factor TF: 72-73
2016-07-02	Dubslow	C-LL	0281FBC56C3F6947
2014-11-11	fre_games	NF	no factor TF: 70-71
2014-09-18	Stef42	NF	no factor TF: 69-70
2013-04-29	Carsten Kossendey	NF	no factor TF: 68-69
2012-04-11	Serge Batalov	NF	no factor TF: 67-68
2008-03-03	-anonymous-	C-LL	0281FBC56C3F6947
2008-02-03	-anonymous-	NF-PM1	B1=395000, B2=3456250
2007-02-05	Team Prime Rib	NF	no factor TF: 1-67
2006-10-24	Team Prime Rib	NF	no factor TF: 1-67
2001-01-08	Joss	NF	no factor TF: 1-52