91 289 971 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 =	650000
B2 =	8125000

Status	Date	User	Residue	Shift
Unverified	2019-10-08	dcromster	DA43FB21D7A2B4__	51042213

History

Date	User	Type	Result
2019-10-08	dcromster	C-LL	DA43FB21D7A2B4__
2019-05-04	nokno	NF-PM1	B1=650000, B2=8125000
2019-03-10	TheJudger	NF	no factor from 2^76 to 2^77
2018-12-16	TheJudger	NF	no factor from 2^75 to 2^76
2018-12-16	TheJudger	NF	no factor from 2^74 to 2^75
2018-03-26	RichD0	NF	no factor from 2^73 to 2^74
2018-03-11	Yizhe Huang	NF	no factor from 2^72 to 2^73
2017-03-05	monst	NF	no factor from 2^71 to 2^72
2014-09-14	Meral Harbes	NF	no factor from 2^70 to 2^71
2014-02-03	Preben S	NF	no factor from 2^69 to 2^70
2014-02-02	Preben S	NF	no factor from 2^68 to 2^69
2014-02-02	Preben S	NF	no factor from 2^67 to 2^68
2014-02-01	pussijussi	NF	no factor from 2^66 to 2^67
2013-06-12	David Campeau	NF	no factor from 2^65 to 2^66
2010-12-29	Architects Cubed	NF	no factor from 2^64 to 2^65