2 340 739 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
9052158997587235392671	22	72.9	2021-03-01 02:27:17

ECM

Digits	B1	Curves
25	50000	127 / 280

Estimated T-Level: 22.3 ⓘ

TF below 2^69 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Eric Thomas	6AE05431150B944B	0
Verified (Factored)	1999-05-16	Kent Lee	6AE05431150B944B	967081
Verified (Factored)	2018-05-08	kkmrkkblmbrbk	6AE05431150B944B	699640

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-03-02	LaurV	77E61C8101E767D4	1	961613	5	3

History

Date	User	Type	Result
2021-05-03	ViliamF	NF-PM1	B1=5000000, B2=305000000
2021-03-02	curtisc	CERT	PRP Certification Proof certified good
2021-03-02	LaurV	C-PRP	M2340739/9052158997587235392671 : 77E61C8101E767D4 PRP proof power = 7 PRP: Verified Proof certified good
2021-03-01	GAN	F-ECM	Factor: 9052158997587235392671 / (ECM curve 1, B1=50000, B2=5000000, Sigma=4337167717827774)
2019-03-18	TJAOI	NF	no factor from 2^67 to 2^68
2018-05-08	kkmrkkblmbrbk	C-LL	6AE05431150B944B
2017-06-10	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2016-01-02	mikr	NF-PM1	B1=3000000, B2=100000000, E=12
2015-10-25	ramgeis	NF	no factor from 2^65 to 2^66
2015-03-06	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-03-06	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-23	dbaugh	NF	no factor from 2^62 to 2^63
2012-05-28	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2012-01-09	Squeeky_Squirrel	NF-PM1	B1=155000, B2=3565000, E=6
2011-01-18	Joss	NF-PM1	B1=50000
2010-10-09	Oscar Östlin	NF-PM1	B1=40000, B2=620000, E=6
2009-01-13	Sturle Sunde	NF	no factor from 2^60 to 2^61