2 244 611 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
9125966192726409741353	22	73.0	2021-06-15 03:54:52

ECM

Digits	B1	Curves
25	50000	159 / 280

Estimated T-Level: 22.8 ⓘ

TF below 2^71 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Steve Sommars	3D4A25B3FB415CBF	0
Verified (Factored)	1999-02-14	Bruce Mitchell	3D4A25B3FB415CBF	442532
Verified (Factored)	2018-04-22	kkmrkkblmbrbk	3D4A25B3FB415CBF	1800010

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-06-15	RichD0	DCE5A49D01825CC7	1	2118177	5	3

History

Date	User	Type	Result
2021-06-15	curtisc	CERT	PRP Certification Proof certified good
2021-06-15	RichD0	C-PRP	M2244611/9125966192726409741353 : DCE5A49D01825CC7 PRP proof power = 7 PRP: Verified Proof certified good
2021-06-15	kutens	F-ECM	Factor: 9125966192726409741353 / (ECM curve 4, B1=50000, B2=5150000, Sigma=4850959270476062)
2020-11-04	GdS	NF-PM1	B1=3677255, B2=128703915, E=12
2019-04-01	TJAOI	NF	no factor from 2^67 to 2^68
2018-04-22	kkmrkkblmbrbk	C-LL	3D4A25B3FB415CBF
2017-01-05	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2015-12-05	Alexander Dubrovin	NF-PM1	B1=1000000, B2=10000000, E=12
2015-10-26	ramgeis	NF	no factor from 2^65 to 2^66
2015-03-10	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-03-10	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-08-25	-Anonymous-	NF-PM1	B1=128595
2013-12-04	LaurV	NF	no factor from 2^62 to 2^63
2012-05-03	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-01-07	markr	NF-PM1	B1=100000, B2=2075000, E=6
2010-11-11	Joss	NF-PM1	B1=30000
2009-01-10	Sturle Sunde	NF	no factor from 2^60 to 2^61