3 489 793 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
5330571858336649281191	22	72.2	2021-06-09 00:10:25

ECM

Digits	B1	Curves
25	50000	25 / 280

Estimated T-Level: 20.4 ⓘ

TF below 2^63 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Jay R. Hill	4A07B1256CEA7308	0
Verified (Factored)	1999-07-26	Alan Vidmar	4A07B1256CEA7308	3371739

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-06-10	kutens	65D29E38CC334323	1	2984625	5	3

History

Date	User	Type	Result
2022-04-10	Joss	NF-PM1	B1=1000000, B2=126668850
2021-06-10	skippyd	CERT	PRP Certification Proof certified good
2021-06-10	kutens	C-PRP	M3489793/5330571858336649281191 : 65D29E38CC334323 PRP proof power = 7 PRP: Verified Proof certified good
2021-06-09	Sergey Nosov	F-ECM	Factor: 5330571858336649281191 / (ECM curve 3, B1=50000, B2=5000000)
2021-01-12	axn	NF	no factor from 2^68 to 2^69
2018-09-03	TJAOI	NF	no factor from 2^67 to 2^68
2017-02-18	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2016-01-06	ramgeis	NF	no factor from 2^65 to 2^66
2015-02-07	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-07	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-09-07	HBendtz	NF-PM1	B1=615000, B2=12000000, e=12
2014-08-21	Joss	NF-PM1	B1=78392
2012-08-18	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-11-16	USAFSS	NF-PM1	B1=60000, B2=990000, E=6
2011-07-11	markr	NF	no factor from 2^61 to 2^62
2009-07-08	Carsten Kossendey	NF-PM1	B1=20000, B2=240000
2009-03-19	S485122	NF	no factor from 2^60 to 2^61