30 274 583 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 =	427000
B2 =	11540000

Status	Date	User	Residue	Shift	Software
Verified	2006-07-10	Josh Schwartz	3A114ED8746DA06B	7246819	Windows,Prime95,v23,(aka WZ1)
Verified	2013-09-19	Dubslow	3A114ED8746DA06B	5049543	Linux 64-bit,Prime95,v27.9,build 1

History

Date	User	Type	Result
2020-10-17	Architects Cubed	NF-PM1	B1=427000, B2=11540000
2020-04-13	-anonymous-	NF	no factor TF: 73-74
2019-12-13	-anonymous-	NF	no factor TF: 71-72
2019-12-13	-anonymous-	NF	no factor TF: 72-73
2017-08-10	ramgeis	NF	no factor TF: 70-71
2013-09-19	Dubslow	C-LL	3A114ED8746DA06B
2012-02-20	Craig Meyers	NF	no factor TF: 68-70
2006-07-10	-anonymous-	C-LL	3A114ED8746DA06B
2006-02-15	-anonymous-	NF-PM1	B1=440000
2005-09-22	arnaud	NF	no factor TF: 1-68
2005-02-12	1997rj7	NF	no factor TF: 1-62
2003-07-13	AxelFox	NF	no factor TF: 1-60
2001-09-16	Net_Force	NF	no factor TF: 1-56
2000-11-15	Joss	NF	no factor TF: 1-54