34 494 739 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 2⁷⁵

TF target 2⁷¹

P-1

B1 =	500000
B2 =	9000000

Status	Date	User	Residue	Shift	Software
Verified	2006-02-15	Joerg Wessollek	5603F1406C15908A	4852575	Windows,Prime95,v23,(aka WZ1)
Verified	2015-06-14	Dubslow	5603F1406C15908A	281334	Linux 64-bit,Prime95,v28.6,build 1

History

Date	User	Type	Result
2021-10-05	Sid & Andy	NF	no factor TF: 74-75
2020-03-08	-anonymous-	NF	no factor TF: 73-74
2019-10-21	LaurV	NF	no factor TF: 71-72
2019-10-21	LaurV	NF	no factor TF: 72-73
2015-06-14	Dubslow	C-LL	5603F1406C15908A
2015-02-04	HBendtz	NF-PM1	B1=500000, B2=9000000, E=12
2014-08-17	monst	NF	no factor TF: 70-71
2014-06-06	chalsall	NF	no factor TF: 69-70
2013-08-04	Torben K.	NF	no factor TF: 68-69
2006-02-15	-anonymous-	C-LL	5603F1406C15908A
2005-09-03	-anonymous-	NF-PM1	B1=540000
2005-08-16	-anonymous-	NF	no factor TF: 1-68
2004-11-03	1997rj7	NF	no factor TF: 1-62
2003-08-25	-anonymous-	NF	no factor TF: 1-61