30 027 659 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 =	355000
B2 =	7898750

Status	Date	User	Residue	Shift	Software
Verified	2005-11-13	george	E600258942EC5736	10595635	Windows,Prime95,v23,(aka WZ1)
Verified	2013-10-06	Dubslow	E600258942EC5736	22006301	Linux 64-bit,Prime95,v27.9,build 1

History

Date	User	Type	Result
2020-03-01	-anonymous-	NF	no factor TF: 73-74
2019-12-06	-anonymous-	NF	no factor TF: 71-72
2019-12-06	-anonymous-	NF	no factor TF: 72-73
2017-06-15	ramgeis	NF	no factor TF: 70-71
2013-10-06	Dubslow	C-LL	E600258942EC5736
2012-02-25	bcp19	NF	no factor TF: 69-70
2012-02-16	LaurV	NF	no factor TF: 68-69
2005-11-13	-anonymous-	C-LL	E600258942EC5736
2005-09-03	-anonymous-	NF-PM1	B1=355000, B2=7898750
2005-07-17	-anonymous-	NF	no factor TF: 1-68
2004-12-13	1997rj7	NF	no factor TF: 1-62
2003-06-01	AxelFox	NF	no factor TF: 1-60
2001-09-16	Net_Force	NF	no factor TF: 1-56
2000-05-10	Alex Kruppa	NF	no factor TF: 1-53