85 534 817 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 =	12580000

Status	Date	User	Residue	Shift	Software
Unverified	2019-08-06	patgie	E9EDE0C0876C51__	42780179	CUDALucas v2.06beta

History

Date	User	Type	Result
2019-08-06	patgie	C-LL	E9EDE0C0876C51__
2019-04-28	ATH	NF	no factor TF: 63-64
2019-04-28	ATH	NF	no factor TF: 1-63
2018-02-26	Pi_Rho	NF-PM1	B1=680000, B2=12580000
2017-09-17	TheJudger	NF	no factor TF: 74-75
2017-09-17	TheJudger	NF	no factor TF: 75-76
2017-04-17	-anonymous-	NF	no factor TF: 73-74
2017-02-26	Judge Hale	NF	no factor TF: 72-73
2017-02-26	Judge Hale	NF	no factor TF: 71-72
2014-03-30	SMoffat	NF	no factor TF: 70-71
2013-10-15	SMoffat	NF	no factor TF: 69-70
2013-06-13	kiizerd	NF	no factor TF: 68-69
2013-03-04	SMoffat	NF	no factor TF: 67-68
2013-03-04	wangyun183	NF	no factor TF: 66-67
2013-03-01	wangyun183	NF	no factor TF: 65-66
2010-11-26	Architects Cubed	NF	no factor TF: 64-65