93 671 569 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime

TF

No factors below 2⁷⁷

TF target 2⁷⁵

P-1

B1 =	720000
B2 =	13860000

Status	Date	User	Residue	Shift
Unverified	2020-03-23	frolyar	DFDCA15522564E__	81591727

Assigned

Assigned	User	Work Type	Stage	% Done	Updated	Expired
2024-10-28	alexicoucou	LL double-check		0.00 %	2024-10-28

History

Date	User	Type	Result
2024-05-15	Greg	NF	no factor from 2^72 to 2^73
2020-03-23	frolyar	C-LL	DFDCA15522564E__
2019-09-02	Ryan Propper	NF-PM1	B1=720000, B2=13860000, E=6
2019-09-01	TheJudger	NF	no factor from 2^76 to 2^77
2019-09-01	TheJudger	NF	no factor from 2^75 to 2^76
2019-09-01	TheJudger	NF	no factor from 2^74 to 2^75
2019-06-04	ixfd64	NF	no factor from 2^73 to 2^74
2019-04-03	Carsten Kossendey	NF	no factor from 2^72 to 2^73
2018-08-20	Andrew Luebke	NF	no factor from 2^71 to 2^72
2014-12-09	bunddog	NF	no factor from 2^70 to 2^71
2014-09-20	SMoffat	NF	no factor from 2^69 to 2^70
2014-09-16	SMoffat	NF	no factor from 2^68 to 2^69
2014-02-11	SMoffat	NF	no factor from 2^67 to 2^68
2014-01-06	sasaki	NF	no factor from 2^65 to 2^67
2011-01-14	Architects Cubed	NF	no factor from 2^64 to 2^65