30 082 777 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 =	340000
B2 =	6800000

Status	Date	User	Residue	Shift	Software
Verified	2006-10-24	Joseph Seifried	92C6F4ABBC9F7394	10674243	Windows,Prime95,v24 final,(aka Wc1)
Verified	2013-10-07	Dubslow	92C6F4ABBC9F7394	7593520	Linux 64-bit,Prime95,v27.9,build 1

History

Date	User	Type	Result
2020-03-16	-anonymous-	NF	no factor TF: 73-74
2020-02-02	Aaron Haviland	NF-PM1	B1=340000, B2=6800000, E=12
2019-12-20	-anonymous-	NF	no factor TF: 71-72
2019-12-20	-anonymous-	NF	no factor TF: 72-73
2017-06-22	ramgeis	NF	no factor TF: 70-71
2013-10-07	Dubslow	C-LL	92C6F4ABBC9F7394
2012-03-18	bcp19	NF	no factor TF: 69-70
2012-03-18	bcp19	NF	no factor TF: 68-69
2008-07-12	JJSeifried	NF-PM1	B1=435000
2008-07-12	JJSeifried	C-LL	92C6F4ABBC9F7394
2006-10-24	JJSeifried	C-LL	92C6F4ABBC9F7394
2006-09-04	JJSeifried	NF-PM1	B1=435000
2005-07-01	Koekie	NF	no factor TF: 1-68
2005-01-10	1997rj7	NF	no factor TF: 1-62
2003-06-09	AxelFox	NF	no factor TF: 1-60
2001-09-16	Net_Force	NF	no factor TF: 1-56