35 241 781 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 2⁷⁴

TF target 2⁷¹

P-1

B1 =	500000
B2 =	9000000

Status	Date	User	Residue	Shift	Software
Verified	2007-02-05	Lawrence Cairns-Smith	5AAC08335F49BD0C	12988015	Windows,Prime95,v24 final,NT service,(aka Wc5)
Verified	2016-01-22	Dubslow	5AAC08335F49BD0C	6710693	Linux 64-bit,Prime95,v28.7,build 1

History

Date	User	Type	Result
2020-03-08	-anonymous-	NF	no factor TF: 73-74
2019-11-08	-anonymous-	NF	no factor TF: 71-72
2019-11-08	-anonymous-	NF	no factor TF: 72-73
2016-01-22	Dubslow	C-LL	5AAC08335F49BD0C
2015-04-05	HBendtz	NF-PM1	B1=500000, B2=9000000, E=12
2014-06-30	Axelsson	NF	no factor TF: 70-71
2014-06-12	kracker	NF	no factor TF: 69-70
2013-03-08	Torben K.	NF	no factor TF: 68-69
2012-03-13	Carsten Kossendey	NF	no factor TF: 67-68
2007-02-05	lozcs	C-LL	5AAC08335F49BD0C
2007-01-01	lozcs	NF-PM1	B1=615000
2006-01-15	TheJudger	NF	no factor TF: 1-67
2004-12-13	-anonymous-	NF	no factor TF: 1-61