3 336 829 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
1130211287412046406009	22	69.9	2021-02-13 09:19:51

ECM

Digits	B1	Curves
25	50000	59 / 280

Estimated T-Level: 21.1 ⓘ

TF below 2^65 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Thomas Honold	196BAD2A3F2A09B2	0
Verified (Factored)	1999-07-04	Emmanuel Lazaridis	196BAD2A3F2A09B2	2038935

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-02-14	ViliamF	81E404E0CD204308	1	1779849	5	3

History

Date	User	Type	Result
2022-09-12	Joss	NF-PM1	B1=1000000, B2=241152450
2022-04-02	Joss	NF-PM1	B1=1000000, B2=134316000
2021-02-14	curtisc	CERT	PRP Certification Proof certified good
2021-02-14	ViliamF	C-PRP	M3336829/1130211287412046406009 : 81E404E0CD204308 PRP proof power = 7 PRP: Verified Proof certified good
2021-02-13	MarkS	F-ECM	Factor: 1130211287412046406009 / (ECM curve 44, B1=50000, B2=5000000, Sigma=585196405517482)
2020-06-27	mikr	NF-PM1	B1=4000000, B2=150000000, E=12
2018-11-05	TJAOI	NF	no factor from 2^67 to 2^68
2018-08-18	Joss	NF-PM1	B1=420000, B2=3360000
2017-03-02	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-03-02	ramgeis	NF	no factor from 2^65 to 2^66
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-02-11	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-11	VictordeHollander	NF	no factor from 2^63 to 2^64
2012-11-28	Squeeky_Squirrel	NF-PM1	B1=210000, B2=4672500, E=6
2012-08-25	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-10-07	USAFSS	NF-PM1	B1=55000, B2=893750, E=6
2011-08-27	markr	NF	no factor to 2^62
2009-07-04	Carsten Kossendey	NF-PM1	B1=15000, B2=206250
2009-03-30	S485122	NF	no factor from 2^60 to 2^61