30 046 241 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 2⁷⁴

TF target 2⁷¹

P-1

B1 =	335000
B2 =	6783750

Status	Date	User	Residue	Shift	Software
Verified	2005-10-04	Jim Shilliday	95BCE284395AC8DA	10081866	Windows,Prime95,v23,(aka WZ1)
Verified	2013-10-07	Dubslow	95BCE284395AC8DA	6589628	Linux 64-bit,Prime95,v27.9,build 1

History

Date	User	Type	Result
2020-03-06	-anonymous-	NF	no factor TF: 73-74
2020-01-14	Aaron Haviland	NF-PM1	B1=335000, B2=6783750, E=12
2019-12-13	-anonymous-	NF	no factor TF: 71-72
2019-12-13	-anonymous-	NF	no factor TF: 72-73
2017-06-17	ramgeis	NF	no factor TF: 70-71
2013-10-07	Dubslow	C-LL	95BCE284395AC8DA
2012-03-05	bcp19	NF	no factor TF: 69-70
2012-03-05	bcp19	NF	no factor TF: 68-69
2005-10-04	-anonymous-	C-LL	95BCE284395AC8DA
2005-09-03	-anonymous-	NF-PM1	B1=430000
2005-07-01	Team Prime Rib	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