89 555 573 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

TF

No factors below 2⁷⁷

TF target 2⁷⁵

P-1

B1 =	785000
B2 =	19232500

Status	Date	User	Residue	Shift
Unverified	2019-03-06	Conductor	846A51431FCDDE__	84678204

History

Date	User	Type	Result
2019-03-06	Conductor	C-LL	846A51431FCDDE__
2019-01-10	Conductor	NF	no factor from 2^76 to 2^77
2018-12-24	penlu	NF-PM1	B1=785000, B2=19232500, e=12
2017-09-13	apocalypse	NF	no factor from 2^75 to 2^76
2017-09-13	apocalypse	NF	no factor from 2^74 to 2^75
2017-09-13	apocalypse	NF	no factor from 2^73 to 2^74
2017-09-13	apocalypse	NF	no factor from 2^72 to 2^73
2017-09-13	apocalypse	NF	no factor from 2^71 to 2^72
2013-08-18	SMoffat	NF	no factor from 2^70 to 2^71
2013-07-27	ITS	NF	no factor from 2^69 to 2^70
2013-03-26	SMoffat	NF	no factor from 2^68 to 2^69
2013-03-24	Brian V.	NF	no factor from 2^67 to 2^68
2013-03-22	g0b	NF	no factor from 2^66 to 2^67
2013-03-18	g0b	NF	no factor from 2^65 to 2^66
2010-11-10	Architects Cubed	NF	no factor from 2^64 to 2^65