84 233 273 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime

No factors below 2⁷⁶

TF target 2⁷⁵

P-1

B1 =	640000
B2 =	8480000

Status	Date	User	Residue	Shift	Software
Unverified	2018-12-11	penlu	DF5EB539DB225C__	9068790	Linux 64-bit,Prime95,v29.4,(aka Wg8)

History

Date	User	Type	Result
2018-12-11	penlu	C-LL	DF5EB539DB225C__
2017-10-14	nokno	NF-PM1	B1=640000, B2=8480000
2017-04-19	TheJudger	NF	no factor TF: 75-76
2017-04-10	Brian Beuning	NF	no factor TF: 74-75
2017-03-23	RichD0	NF	no factor TF: 73-74
2017-01-09	Judge Hale	NF	no factor TF: 72-73
2017-01-09	Judge Hale	NF	no factor TF: 71-72
2014-02-28	Ryan Propper	NF	no factor TF: 70-71
2014-01-06	g0b	NF	no factor TF: 69-70
2013-12-10	g0b	NF	no factor TF: 68-69
2013-02-19	Juergen Kampmeier	NF	no factor TF: 67-68
2013-02-18	Juergen Kampmeier	NF	no factor TF: 66-67
2012-08-13	Carsten Kossendey	NF	no factor TF: 65-66
2010-12-23	Architects Cubed	NF	no factor TF: 64-65