91 871 567 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 =	705000
B2 =	13571250

Status	Date	User	Residue	Shift
Unverified	2019-12-31	Andrew G	407E0B7F39FDAD__	85020926

History

Date	User	Type	Result
2019-12-31	Andrew G	C-LL	407E0B7F39FDAD__
2019-06-19	Helmut Kirrmaier	NF-PM1	B1=705000, B2=13571250, E=12
2019-04-07	TheJudger	NF	no factor from 2^76 to 2^77
2019-01-13	TheJudger	NF	no factor from 2^75 to 2^76
2019-01-13	TheJudger	NF	no factor from 2^74 to 2^75
2018-09-12	fre_games	NF	no factor from 2^73 to 2^74
2018-08-31	penlu	NF	no factor from 2^72 to 2^73
2018-03-22	Tim Sorbera	NF	no factor from 2^71 to 2^72
2014-09-12	Per Jessen	NF	no factor from 2^70 to 2^71
2014-04-03	hkskyp	NF	no factor from 2^69 to 2^70
2014-04-03	hkskyp	NF	no factor from 2^68 to 2^69
2014-04-03	hkskyp	NF	no factor from 2^67 to 2^68
2014-04-03	hkskyp	NF	no factor from 2^66 to 2^67
2013-06-25	David Campeau	NF	no factor from 2^65 to 2^66
2011-01-08	Architects Cubed	NF	no factor from 2^64 to 2^65