4 058 933 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
1140184327713307097809358559417128472073	40	129.7	2022-09-16 13:33:51

ECM

Digits	B1	Curves
25	50000	56 / 280

Estimated T-Level: 21.0 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Frank Hornung	0C0E6357822AA867	0
Verified (Factored)	1999-10-15	Jason Slemons	0C0E6357822AA867	2102198

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2022-09-21	ThomRuley	E7DFB0496527003A	1	1255219	5	3

P-1 factors

Date	Factor	B1	B2
2022-09-16	1140184327713307097809358559417128472073	6200000	26931564660

History

Date	User	Type	Result
2022-09-22	Fabrice Bellet	CERT	PRP Certification Proof certified good
2022-09-21	ThomRuley	C-PRP	M4058933/1140184327713307097809358559417128472073 : E7DFB0496527003A PRP proof power = 7 PRP: Verified Proof certified good
2022-09-16	DRobinsonPE	F-PM1	Factor: 1140184327713307097809358559417128472073 / (P-1, B1=6200000, B2=26931564660)
2022-04-08	mikr	NF	no factor from 2^70 to 2^71
2021-06-27	ATH	NF-PP1	Start=2/7, B1=2500000, B2=172500000
2020-12-12	mikr	NF	no factor from 2^69 to 2^70
2020-12-12	mikr	NF	no factor from 2^68 to 2^69
2019-05-29	BigBrother	NF-PM1	B1=3000000, B2=90000000, E=12
2018-11-03	Yxinity	NF	no factor from 2^67 to 2^68
2016-09-25	kkmrkkblmbrbk	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-05-21	snme2pm1	NF	no factor from 2^65 to 2^66
2013-10-27	David Campeau	NF	no factor from 2^64 to 2^65
2013-08-19	Jayder	NF	no factor from 2^63 to 2^64
2013-07-03	Squeeky_Squirrel	NF-PM1	B1=120000, B2=2310000, E=6
2011-07-23	USAFSS	NF-PM1	B1=40000, B2=580000
2011-07-01	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-10-16	Grant McCracken	NF	no factor from 2^61 to 2^62
2009-07-17	Carsten Kossendey	NF-PM1	B1=20000, B2=300000