84 913 601 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 =	680000
B2 =	13430000

Status	Date	User	Residue	Shift	Software
Unverified	2019-06-06	patgie	CCCB3E1906128B__	42465265	CUDALucas v2.06beta

History

Date	User	Type	Result
2019-06-06	patgie	C-LL	CCCB3E1906128B__
2019-04-27	ATH	NF	no factor TF: 63-64
2019-04-27	ATH	NF	no factor TF: 1-63
2017-12-15	Oliver Kruse	NF-PM1	B1=680000, B2=13430000, E=12
2017-07-16	TheJudger	NF	no factor TF: 75-76
2017-07-05	1997rj7	NF	no factor TF: 74-75
2017-05-19	-anonymous-	NF	no factor TF: 73-74
2017-02-15	Matthias Wurtinger	NF	no factor TF: 72-73
2017-02-15	Matthias Wurtinger	NF	no factor TF: 71-72
2014-11-24	wombatman	NF	no factor TF: 70-71
2014-02-09	SMoffat	NF	no factor TF: 69-70
2013-03-04	GrunwalderGIMP	NF	no factor TF: 68-69
2013-03-02	J. Honess	NF	no factor TF: 67-68
2013-02-26	gregor	NF	no factor TF: 66-67
2012-08-27	Carsten Kossendey	NF	no factor TF: 65-66
2010-12-01	Architects Cubed	NF	no factor TF: 64-65