30 346 583 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 2⁷⁵

TF target 2⁷¹

P-1

B1 =	330000
B2 =	5692500

Status	Date	User	Residue	Shift	Software
Verified	2005-11-27	Bernardo Caraponale Magri	6845725B2ABA34EF	2534842	Windows,Prime95,v23,(aka WZ1)
Verified	2013-09-25	Dubslow	6845725B2ABA34EF	2592355	Linux 64-bit,Prime95,v27.9,build 1

History

Date	User	Type	Result
2020-12-05	-anonymous-	NF	no factor TF: 74-75
2020-04-17	-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
2017-08-25	ramgeis	NF	no factor TF: 70-71
2013-09-25	Dubslow	C-LL	6845725B2ABA34EF
2012-02-24	Craig Meyers	NF	no factor TF: 68-70
2005-11-27	-anonymous-	C-LL	6845725B2ABA34EF
2005-11-01	-anonymous-	NF	no factor TF: 1-68
2005-11-01	-anonymous-	NF-PM1	B1=330000, B2=5692500
2005-07-17	TheJudger	NF	no factor TF: 1-67
2005-02-02	1997rj7	NF	no factor TF: 1-62
2003-06-30	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