30 366 659 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 2⁷⁵

TF target 2⁷¹

P-1

B1 =	630000
B2 =	12285000

Status	Date	User	Residue	Shift	Software
Verified	2005-12-12	Anthony Dugay	E99EDCB5DDE44525	18384189	Windows,Prime95,v24 final,(aka Wc1)
Verified	2013-09-28	Dubslow	E99EDCB5DDE44525	25246262	Linux 64-bit,Prime95,v27.9,build 1

History

Date	User	Type	Result
2020-12-06	-anonymous-	NF	no factor TF: 74-75
2020-11-08	Architects Cubed	NF-PM1	B1=630000, B2=12285000, E=12
2020-04-15	-anonymous-	NF	no factor TF: 73-74
2019-12-14	-anonymous-	NF	no factor TF: 72-73
2019-12-14	-anonymous-	NF	no factor TF: 71-72
2017-08-28	ramgeis	NF	no factor TF: 70-71
2013-09-28	Dubslow	C-LL	E99EDCB5DDE44525
2012-02-17	Craig Meyers	NF	no factor TF: 68-70
2005-12-12	-anonymous-	C-LL	E99EDCB5DDE44525
2005-11-01	-anonymous-	NF-PM1	B1=440000
2005-08-16	-anonymous-	NF	no factor TF: 1-68
2005-02-12	1997rj7	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
2001-01-14	Joss	NF	no factor TF: 1-52