85 526 537 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 =	690000
B2 =	13627500

Status	Date	User	Residue	Shift	Software
Unverified	2019-08-06	patgie	5B4812025CF545__	42776302	CUDALucas v2.06beta

History

Date	User	Type	Result
2019-08-06	patgie	C-LL	5B4812025CF545__
2019-04-28	ATH	NF	no factor TF: 1-63
2019-04-28	ATH	NF	no factor TF: 63-64
2018-04-06	jackwing	NF-PM1	B1=690000, B2=13627500, E=12
2017-09-21	1997rj7	NF	no factor TF: 75-76
2017-09-15	Brian Beuning	NF	no factor TF: 74-75
2017-04-22	-anonymous-	NF	no factor TF: 73-74
2017-02-26	Judge Hale	NF	no factor TF: 71-72
2017-02-26	Judge Hale	NF	no factor TF: 72-73
2014-03-15	SMoffat	NF	no factor TF: 70-71
2013-06-20	g0b	NF	no factor TF: 69-70
2013-06-18	g0b	NF	no factor TF: 68-69
2013-06-17	g0b	NF	no factor TF: 67-68
2013-02-28	Freaks32	NF	no factor TF: 66-67
2013-02-28	wangyun183	NF	no factor TF: 65-66
2010-11-27	Architects Cubed	NF	no factor TF: 64-65