2 730 797 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
6379118855163955209209	22	72.4	2021-06-03 03:16:43

ECM

Digits	B1	Curves
25	50000	97 / 280

Estimated T-Level: 21.7 ⓘ

TF below 2^67 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Antti Merihaara	15478D154BC476C5	0
Verified (Factored)	1999-05-30	Rodrigo Meira	15478D154BC476C5	1636776
Verified (Factored)	2018-08-08	kkmrkkblmbrbk	15478D154BC476C5	1438590

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-06-03	ZacHFX	90A8AB25267EFA9C	1	982273	5	3

History

Date	User	Type	Result
2021-06-03	GIMPS-PRIM	CERT	PRP Certification Proof certified good
2021-06-03	ZacHFX	C-PRP	M2730797/6379118855163955209209 : 90A8AB25267EFA9C PRP proof power = 7 PRP: Verified Proof certified good
2021-06-03	kutens	F-ECM	Factor: 6379118855163955209209 / (ECM curve 2, B1=50000, B2=5200000, Sigma=8789722556445422)
2021-02-17	Numberwang	NF-PM1	B1=143000, B2=4496000, E=6
2019-02-13	chuenkit	NF	no factor from 2^67 to 2^68
2018-08-08	kkmrkkblmbrbk	C-LL	15478D154BC476C5
2017-10-05	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-10-23	mikr	NF-PM1	B1=2700000, B2=84000000, E=12
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2016-02-01	ramgeis	NF	no factor from 2^65 to 2^66
2015-04-13	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-04-13	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-10	dbaugh	NF	no factor from 2^62 to 2^63
2012-04-12	markr	NF	no factor from 2^61 to 2^62
2011-04-27	James Heinrich	NF-PM1	B1=185000, B2=4625000, E=6
2011-01-19	Joss	NF-PM1	B1=50000
2010-12-28	Joss	NF-PM1	B1=30000
2010-12-19	Joss	NF-PM1	B1=20000
2009-01-30	Sturle Sunde	NF	no factor from 2^60 to 2^61