3 684 523 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
62581792815101974759871	23	75.7	2022-07-02 11:40:23

ECM

Digits	B1	Curves
25	50000	48 / 280

Estimated T-Level: 20.9 ⓘ

TF below 2^64 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	1998-08-02	John R Pierce	E24252727C29BFB3	0
Verified (Factored)	1999-12-01	Chris Ramos	E24252727C29BFB3	3571281

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2022-07-09	Ryan Propper	F32732CB64BBE8DB	1	770401	5	3

History

Date	User	Type	Result
2022-07-09	badaas	CERT	PRP Certification Proof certified good
2022-07-09	Ryan Propper	C-PRP	M3684523/62581792815101974759871 : F32732CB64BBE8DB PRP proof power = 7 PRP: Verified Proof certified good
2022-07-02	Sergey Nosov	F-ECM	Factor: 62581792815101974759871 / (ECM curve 7, B1=50000, B2=5000000)
2020-11-11	axn	NF-PM1	B1=30000000, B2=600000000, E=12
2020-10-26	axn	NF	no factor from 2^69 to 2^70
2020-10-26	axn	NF	no factor from 2^68 to 2^69
2018-08-27	TJAOI	NF	no factor from 2^67 to 2^68
2017-02-23	Squeeky_Squirrel	NF-PM1	B1=230000, B2=6900000, E=12
2017-01-29	Joss	NF-PM1	B1=167520
2017-01-04	Joss	NF-PM1	B1=129600
2017-01-03	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-12-25	Joss	NF-PM1	B1=108000
2016-07-08	Joss	NF-PM1	B1=90000, B2=3285000, E=6
2016-02-23	Mark Rose	NF	no factor from 2^60 to 2^61
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-10-19	ramgeis	NF	no factor from 2^65 to 2^66
2015-01-25	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-01-25	VictordeHollander	NF	no factor from 2^63 to 2^64
2012-06-05	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2012-02-16	Squeeky_Squirrel	NF-PM1	B1=90000, B2=1642500, E=6
2011-05-24	Grant McCracken	NF	no factor from 2^61 to 2^62
2009-07-12	Carsten Kossendey	NF-PM1	B1=20000, B2=260000

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