2 089 039 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
340032134570788705751	21	68.2	2016-05-21 19:11:14

ECM

Digits	B1	Curves
25	50000	109 / 280

Estimated T-Level: 21.9 ⓘ

TF below 2^68 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Phil Nesser	96FCA77B4E7C806B	0
Verified (Factored)		knut ploder	96FCA77B4E7C806B	0
Verified (Factored)	1999-02-14	Brian Scearce	96FCA77B4E7C806B	914044

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-06	Oliver Kruse	3E3F68C435A18A0F	1	0	1	3
Verified	2017-11-16	kkmrkkblmbrbk	3E3F68C435A18A0F	1	1778401	1	3

History

Date	User	Type	Result
2023-01-27	USAFSS	NF-PM1	B1=288000, B2=287772030
2017-11-16	kkmrkkblmbrbk	C-PRP	M2089039/340032134570788705751 : 3E3F68C435A18A0F PRP: Verified PRP without proof (not generated)
2017-10-06	Oliver Kruse	C-PRP	M2089039/340032134570788705751 : 3E3F68C435A18A0F PRP: Verified PRP without proof (not generated)
2016-05-21	Jason U	F-ECM	Factor: 340032134570788705751 / (ECM curve 3, B1=50000, B2=5000000)
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2015-11-06	ramgeis	NF	no factor from 2^65 to 2^66
2015-04-10	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-04-10	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-09-03	ramgeis	NF	no factor from 2^62 to 2^63
2012-03-19	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-02-14	James Heinrich	NF-PM1	B1=135000, B2=2936250, E=6
2011-01-08	Joss	NF-PM1	B1=50000
2010-12-28	Joss	NF-PM1	B1=30000
2009-07-26	USAFSS	NF-PM1	B1=20000, B2=260000
2009-01-02	Sturle Sunde	NF	no factor from 2^60 to 2^61