85 500 761 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 =	650000
B2 =	8937500

Status	Date	User	Residue	Shift	Software
Unverified	2019-08-08	patgie	F59D0922268E60__	17803331	Windows 64-bit,Prime95,v29.8,build 3

History

Date	User	Type	Result
2019-08-08	patgie	C-LL	F59D0922268E60__
2019-04-28	ATH	NF	no factor TF: 1-63
2019-04-28	ATH	NF	no factor TF: 63-64
2018-01-23	nokno	NF-PM1	B1=650000, B2=8937500
2017-09-17	TheJudger	NF	no factor TF: 75-76
2017-09-11	Brian Beuning	NF	no factor TF: 74-75
2017-04-15	-anonymous-	NF	no factor TF: 73-74
2017-02-23	Judge Hale	NF	no factor TF: 71-72
2017-02-23	Judge Hale	NF	no factor TF: 72-73
2014-08-16	Ryan Propper	NF	no factor TF: 70-71
2014-06-14	CSLatDD	NF	no factor TF: 69-70
2014-04-11	Preben S	NF	no factor TF: 68-69
2013-03-07	andrea.biancalana	NF	no factor TF: 67-68
2013-03-04	Charles A. Morris	NF	no factor TF: 66-67
2013-02-28	wangyun183	NF	no factor TF: 65-66
2010-11-26	Architects Cubed	NF	no factor TF: 64-65