30 210 619 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 =	300000
B2 =	2775000

Status	Date	User	Residue	Shift	Software
Verified	2005-12-19	Aaron Zod	A2493A5F1317FD77	7758300	Windows,Prime95,v23,NT service,(aka WZ5)
Verified	2013-09-10	Dubslow	A2493A5F1317FD77	13348293	Linux 64-bit,Prime95,v27.9,build 1

History

Date	User	Type	Result
2020-11-14	-anonymous-	NF	no factor TF: 74-75
2020-04-10	-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
2017-08-04	ramgeis	NF	no factor TF: 70-71
2013-09-10	Dubslow	C-LL	A2493A5F1317FD77
2013-03-22	kdgehman	NF	no factor TF: 69-70
2012-02-17	megavink	NF	no factor TF: 68-69
2005-12-19	-anonymous-	C-LL	A2493A5F1317FD77
2005-11-13	-anonymous-	NF-PM1	B1=300000, B2=2775000
2005-10-18	tsc	NF	no factor TF: 1-68
2005-01-10	1997rj7	NF	no factor TF: 1-62
2003-06-17	AxelFox	NF	no factor TF: 1-60
2001-09-16	Net_Force	NF	no factor TF: 1-56
2000-11-05	Joss	NF	no factor TF: 1-54