30 483 241 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 =	300000
B2 =	2775000

Status	Date	User	Residue	Shift	Software
Verified	2006-03-14	C. Cooper / S. Boone	E13A4082C4680970	3326931	Windows,Prime95,v23,NT service,(aka WZ5)
Verified	2013-10-16	Dubslow	E13A4082C4680970	5306438	Linux 64-bit,Prime95,v27.9,build 1

History

Date	User	Type	Result
2022-10-28	Sid & Andy	NF	no factor TF: 72-73
2022-07-31	Jon Pace	NF	no factor TF: 71-72
2017-09-10	ramgeis	NF	no factor TF: 70-71
2013-10-16	Dubslow	C-LL	E13A4082C4680970
2012-02-23	Craig Meyers	NF	no factor TF: 68-70
2006-03-14	curtisc	C-LL	E13A4082C4680970
2006-02-15	curtisc	NF	no factor TF: 1-68
2006-02-15	curtisc	NF-PM1	B1=300000, B2=2775000
2005-10-18	kutens	NF	no factor TF: 1-67
2005-08-01	kutens	NF	no factor TF: 1-67
2005-02-02	markr	NF	no factor TF: 1-62
2003-07-06	AxelFox	NF	no factor TF: 1-60
2001-09-16	Net_Force	NF	no factor TF: 1-56