91 131 641 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 =	700000
B2 =	13300000

Status	Date	User	Residue	Shift
Unverified	2019-07-04	spica	A461E9F735A457__	13123490

History

Date	User	Type	Result
2019-07-04	spica	C-LL	A461E9F735A457__
2019-04-02	Cubox	NF-PM1	B1=700000, B2=13300000, E=12
2019-03-03	TheJudger	NF	no factor from 2^76 to 2^77
2018-12-09	TheJudger	NF	no factor from 2^75 to 2^76
2018-12-09	TheJudger	NF	no factor from 2^74 to 2^75
2018-01-09	1997rj7	NF	no factor from 2^73 to 2^74
2018-01-09	1997rj7	NF	no factor from 2^72 to 2^73
2017-02-24	monst	NF	no factor from 2^71 to 2^72
2014-09-05	shauge	NF	no factor from 2^70 to 2^71
2014-02-10	g0b	NF	no factor from 2^69 to 2^70
2014-02-07	CSLatDD	NF	no factor from 2^68 to 2^69
2014-02-05	CSLatDD	NF	no factor from 2^67 to 2^68
2014-02-03	CSLatDD	NF	no factor from 2^66 to 2^67
2011-11-01	Shadowjd007	NF	no factor from 2^65 to 2^66
2010-12-26	Architects Cubed	NF	no factor from 2^64 to 2^65