30 877 183 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 =	375000
B2 =	9000000

Status	Date	User	Residue	Shift	Software
Verified	2006-05-29	shigehiro sasaki	268B77DE6D5392F8	19606715	Windows,Prime95,v24 final,(aka Wc1)
Verified	2013-12-10	Dubslow	268B77DE6D5392F8	1992768	Linux 64-bit,Prime95,v27.9,build 1

History

Date	User	Type	Result
2021-10-04	TheJudger	NF	no factor TF: 74-75
2020-04-09	-anonymous-	NF	no factor TF: 73-74
2019-12-06	-anonymous-	NF	no factor TF: 71-72
2019-12-06	-anonymous-	NF	no factor TF: 72-73
2018-04-11	ramgeis	NF	no factor TF: 70-71
2013-12-10	Dubslow	C-LL	268B77DE6D5392F8
2013-03-12	kdgehman	NF	no factor TF: 69-70
2012-04-28	bcp19	NF	no factor TF: 68-69
2011-05-24	Ungelovende	NF	no factor TF: 67-68
2008-08-26	S36049	NF	no factor TF: 1-67
2008-08-26	S36049	NF	no factor TF: 1-67
2008-08-26	S36049	NF	no factor TF: 1-67
2008-08-26	S36049	NF	no factor TF: 1-67
2006-05-29	sasaki3	C-LL	268B77DE6D5392F8
2006-03-28	sasaki3	NF-PM1	B1=375000, B2=9000000
2005-09-03	S36049	NF	no factor TF: 1-67
2003-08-25	AxelFox	NF	no factor TF: 1-60
2002-03-24	Joss	NF	no factor TF: 1-57
2000-11-15	Joss	NF	no factor TF: 1-54