86 305 577 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 =	700000
B2 =	13825000

Status	Date	User	Residue	Shift	Software
Unverified	2018-12-02	patgie	47B1F8320CDF28__	43154674	CUDALucas v2.06beta

History

Date	User	Type	Result
2018-12-02	patgie	C-LL	47B1F8320CDF28__
2018-03-06	jackwing	NF-PM1	B1=700000, B2=13825000, E=12
2018-01-28	Strolling Jellyfish	NF	no factor TF: 75-76
2017-12-30	Brian Beuning	NF	no factor TF: 74-75
2017-05-03	Brian Beuning	NF	no factor TF: 73-74
2017-04-24	Robin89	NF	no factor TF: 72-73
2014-01-17	Ryan Propper	NF	no factor TF: 71-72
2013-06-24	Marius Zens	NF	no factor TF: 70-71
2013-03-18	Rivarez	NF	no factor TF: 69-70
2013-03-12	ramgeis	NF	no factor TF: 68-69
2013-03-11	wangyun183	NF	no factor TF: 67-68
2013-03-01	Freaks32	NF	no factor TF: 66-67
2010-12-24	Michael C	NF	no factor TF: 65-66
2010-11-21	Architects Cubed	NF	no factor TF: 64-65