85 410 497 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 =	685000
B2 =	13357500

Status	Date	User	Residue	Shift	Software
Unverified	2019-07-08	patgie	066434224749AD__	42719022	CUDALucas v2.06beta

History

Date	User	Type	Result
2019-07-08	patgie	C-LL	066434224749AD__
2019-04-28	ATH	NF	no factor TF: 1-63
2019-04-28	ATH	NF	no factor TF: 63-64
2018-01-29	David Hruska	NF-PM1	B1=685000, B2=13357500, E=12
2017-08-27	TheJudger	NF	no factor TF: 75-76
2017-08-24	Brian Beuning	NF	no factor TF: 74-75
2017-04-22	-anonymous-	NF	no factor TF: 73-74
2017-03-06	Strolling Jellyfish	NF	no factor TF: 72-73
2014-01-17	nate.anders	NF	no factor TF: 71-72
2013-08-14	tlak	NF	no factor TF: 70-71
2013-06-25	OS1	NF	no factor TF: 69-70
2013-06-21	Bassam Abdul-Baki	NF	no factor TF: 68-69
2013-06-18	Allan Manangan	NF	no factor TF: 67-68
2013-06-17	Lukin Dmitry	NF	no factor TF: 66-67
2013-04-27	c10ck3r	NF	no factor TF: 65-66
2010-11-26	Architects Cubed	NF	no factor TF: 64-65