2 591 093 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
11864220569489732259199	23	73.3	2020-08-10 00:01:39

ECM

Digits	B1	Curves
25	50000	53 / 280

Estimated T-Level: 20.9 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Jim Hurley	9FD81F4BEC8D7DB3	0
Verified (Factored)	1999-09-14	Alan Vidmar	9FD81F4BEC8D7DB3	2329668
Verified (Factored)	2018-06-23	kkmrkkblmbrbk	9FD81F4BEC8D7DB3	1960844

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-08-10	M Miller	C90FEC37DB550B1A	1	2024319	5	3

History

Date	User	Type	Result
2020-08-10	Grant McCracken	CERT	PRP Certification Proof certified good
2020-08-10	M Miller	C-PRP	M2591093/11864220569489732259199 : C90FEC37DB550B1A PRP proof power = 7 PRP: Verified Proof certified good
2020-08-10	GAN	F-ECM	Factor: 11864220569489732259199 / (ECM curve 2, B1=50000, B2=5000000, Sigma=3451366999628772)
2019-05-20	TJAOI	NF	no factor from 2^67 to 2^68
2018-06-23	kkmrkkblmbrbk	C-LL	9FD81F4BEC8D7DB3
2017-08-20	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-08-21	mikr	NF-PM1	B1=3200000, B2=112000000, E=12
2016-02-23	Mark Rose	NF	no factor from 2^59 to 2^60
2015-11-06	ramgeis	NF	no factor from 2^65 to 2^66
2015-02-27	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-27	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-14	dbaugh	NF	no factor from 2^62 to 2^63
2012-06-22	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-02-22	James Heinrich	NF-PM1	B1=175000, B2=4112500, E=6
2011-01-13	Joss	NF-PM1	B1=50000
2010-11-15	Joss	NF-PM1	B1=20000
2009-02-02	Sturle Sunde	NF	no factor from 2^60 to 2^61