85 405 897 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
7091352346301817991540489	25	82.6	2022-11-13 06:15:03

Status	Date	User	Residue	Shift
Verified (Factored)	2018-05-27	curtisc	A3BC1F1D313A5A03	7835752

P-1 factors

Date	Factor	B1	B2
2022-11-13	7091352346301817991540489	434000	89378850

History

Date	User	Type	Result
2022-11-13	James Heinrich	F-PM1	Factor: 7091352346301817991540489 / (P-1, B1=434000, B2=89378850)
2018-05-27	curtisc	C-LL	A3BC1F1D313A5A03
2018-01-20	Yxinity	NF-PM1	B1=780000
2017-08-31	RichD0	NF	no factor from 2^75 to 2^76
2017-08-25	Brian Beuning	NF	no factor from 2^74 to 2^75
2017-04-20	-Anonymous-	NF	no factor from 2^73 to 2^74
2017-03-05	Strolling Jellyfish	NF	no factor from 2^72 to 2^73
2014-01-26	nate.anders	NF	no factor from 2^71 to 2^72
2013-06-29	willmore	NF	no factor from 2^70 to 2^71
2013-03-07	sasabl	NF	no factor from 2^69 to 2^70
2013-03-03	Choi4KANG	NF	no factor from 2^68 to 2^69
2013-03-02	SMoffat	NF	no factor from 2^67 to 2^68
2013-03-01	gregor	NF	no factor from 2^66 to 2^67
2013-02-23	Larifari	NF	no factor from 2^65 to 2^66
2010-11-26	Architects Cubed	NF	no factor from 2^64 to 2^65