27 300 211 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 2⁷⁰

P-1

B1 =	650000
B2 =	36527000

Status	Date	User	Residue	Shift	Software
Verified	2005-11-27	Jonathan Kapleau	60266739EDEB5427	25050719	Linux 32-bit,Prime95,v23,(aka WZ2)
Verified	2011-08-20	Dubslow	60266739EDEB5427	23023914	Linux 32-bit,Prime95,v26.6,build 3

History

Date	User	Type	Result
2021-09-12	TheJudger	NF	no factor TF: 73-74
2021-08-23	TheJudger	NF	no factor TF: 72-73
2021-08-23	TheJudger	NF	no factor TF: 71-72
2021-02-28	mikr	NF	no factor TF: 70-71
2021-02-24	Architects Cubed	NF-PM1	B1=650000, B2=36527000
2018-09-25	ramgeis	NF	no factor TF: 69-70
2018-04-09	VictordeHollander	NF	no factor TF: 68-69
2015-09-13	NR	NF	no factor TF: 67-68
2011-08-20	Dubslow	C-LL	60266739EDEB5427
2005-11-27	-anonymous-	C-LL	60266739EDEB5427
2005-01-20	-anonymous-	NF-PM1	B1=420000
2004-10-18	-anonymous-	NF	no factor TF: 1-67
2004-07-02	-anonymous-	NF	no factor TF: 1-62
2004-04-09	-anonymous-	NF	no factor TF: 1-61
2001-08-18	Net_Force	NF	no factor TF: 1-56
2000-11-05	Joss	NF	no factor TF: 1-54