84 764 417 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 =	670000
B2 =	12395000

Status	Date	User	Residue	Shift	Software
Unverified	2019-05-05	patgie	8CB78DAAF0CC4C__	2771642	Windows 64-bit,Prime95,v29.4,build 8

History

Date	User	Type	Result
2019-05-05	patgie	C-LL	8CB78DAAF0CC4C__
2019-04-27	ATH	NF	no factor TF: 63-64
2019-04-27	ATH	NF	no factor TF: 1-63
2017-12-06	Chang Chia-Tche	NF-PM1	B1=670000, B2=12395000
2017-07-07	Kevin Jaget	NF	no factor TF: 75-76
2017-07-07	Kevin Jaget	NF	no factor TF: 74-75
2017-05-19	-anonymous-	NF	no factor TF: 73-74
2016-12-21	Judge Hale	NF	no factor TF: 72-73
2013-08-16	La Güira	NF	no factor TF: 71-72
2013-08-16	La Güira	NF	no factor TF: 70-71
2013-08-16	La Güira	NF	no factor TF: 69-70
2013-08-16	La Güira	NF	no factor TF: 68-69
2013-08-16	La Güira	NF	no factor TF: 67-68
2013-08-13	Le Comte	NF	no factor TF: 66-67
2012-08-30	Carsten Kossendey	NF	no factor TF: 65-66
2010-12-08	Architects Cubed	NF	no factor TF: 64-65