2 095 081 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
1657578132391416280658087	25	80.5	2020-08-18 12:19:51

ECM

Digits	B1	Curves
25	50000	118 / 280

Estimated T-Level: 22.1 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Phil Nesser	767EF3478036548D	0
Verified (Factored)	1999-03-15	John Wyszynski	767EF3478036548D	1712271
Verified (Factored)	2017-06-12	kkmrkkblmbrbk	767EF3478036548D	406760

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-08-19	M Miller	F2C3AB5340040660	1	789079	5	3

History

Date	User	Type	Result
2020-08-19	George Woltman	CERT	PRP Certification Proof certified good
2020-08-19	M Miller	C-PRP	M2095081/1657578132391416280658087 : F2C3AB5340040660 PRP proof power = 7 PRP: Verified Proof certified good
2020-08-18	rextherunt	F-ECM	Factor: 1657578132391416280658087 / (ECM curve 1, B1=50000, B2=5000000)
2019-04-01	chuenkit	NF	no factor from 2^67 to 2^68
2017-06-12	kkmrkkblmbrbk	C-LL	767EF3478036548D
2017-05-24	mikr	NF-PM1	B1=2500000, B2=125000000, E=12
2016-11-09	Joss	NF-PM1	B1=268329
2016-11-05	Joss	NF-PM1	B1=223608
2016-09-21	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-07-27	Joss	NF-PM1	B1=186340, B2=6300000, E=12
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2015-11-02	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
2012-03-23	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-01-22	James Heinrich	NF-PM1	B1=140000, B2=3150000, E=6
2011-01-09	Joss	NF-PM1	B1=50000
2010-12-28	Joss	NF-PM1	B1=30000
2009-07-27	USAFSS	NF-PM1	B1=20000, B2=260000
2009-01-02	Sturle Sunde	NF	no factor from 2^60 to 2^61

Username
Password