2 566 939 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
2322089423669977082857727	25	80.9	2021-01-02 02:56:00

ECM

Digits	B1	Curves
25	50000	88 / 280

Estimated T-Level: 21.6 ⓘ

TF below 2^67 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Joe Decker	AFB17ADF18EC4379	0
Verified (Factored)	1999-04-13	Rodney Garner	AFB17ADF18EC4379	1486158
Verified (Factored)	2018-06-15	kkmrkkblmbrbk	AFB17ADF18EC4379	2126343

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-01-03	Niels_Mache_Nextcloud	A708043E5926CFB4	1	1996242	5	3

History

Date	User	Type	Result
2021-01-03	WCS_US_UK	CERT	PRP Certification Proof certified good
2021-01-03	Niels_Mache_Nextcloud	C-PRP	M2566939/2322089423669977082857727 : A708043E5926CFB4 PRP proof power = 7 PRP: Verified Proof certified good
2021-01-02	Zenzoma	F-ECM	Factor: 2322089423669977082857727 / (ECM curve 3, B1=50000, B2=5000000, Sigma=6013766604710564)
2019-05-27	TJAOI	NF	no factor from 2^67 to 2^68
2018-06-15	kkmrkkblmbrbk	C-LL	AFB17ADF18EC4379
2017-08-13	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-05-24	mikr	NF-PM1	B1=3200000, B2=112000000, E=12
2016-02-23	Mark Rose	NF	no factor from 2^59 to 2^60
2015-11-08	ramgeis	NF	no factor from 2^65 to 2^66
2015-02-23	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-23	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-23	dbaugh	NF	no factor from 2^62 to 2^63
2012-06-17	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-04-15	James Heinrich	NF-PM1	B1=175000, B2=4112500, E=6
2011-01-10	Joss	NF-PM1	B1=50000
2011-01-03	Joss	NF-PM1	B1=30000
2010-12-21	Joss	NF-PM1	B1=20000
2009-01-27	Sturle Sunde	NF	no factor from 2^60 to 2^61