2 797 939 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
106403238699253075214983	24	76.5	2020-10-11 21:53:03

ECM

Digits	B1	Curves
25	50000	43 / 280

Estimated T-Level: 20.8 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Wojciech Florek	59649B7745F95556	0
Verified (Factored)	1999-05-16	david triggerson	59649B7745F95556	2004199
Verified (Factored)	2018-08-31	kkmrkkblmbrbk	59649B7745F95556	530260

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-10-12	mrh	F9302A19353A56F1	1	1879383	5	3

History

Date	User	Type	Result
2020-10-12	Simon Josefsson	CERT	PRP Certification Proof certified good
2020-10-12	mrh	C-PRP	M2797939/106403238699253075214983 : F9302A19353A56F1 PRP proof power = 7 PRP: Verified Proof certified good
2020-10-11	mnd9	F-ECM	Factor: 106403238699253075214983 / (ECM curve 3, B1=50000, B2=5000000, Sigma=4242700160016572)
2019-02-27	chuenkit	NF	no factor from 2^67 to 2^68
2018-08-31	kkmrkkblmbrbk	C-LL	59649B7745F95556
2017-10-20	Gordon Spence	NF	no factor from 2^66 to 2^67
2017-05-13	Joss	NF-PM1	B1=363750, B2=3637500, E=6
2017-04-21	mikr	NF-PM1	B1=2700000, B2=84000000, E=12
2016-12-29	Joss	NF-PM1	B1=218250
2016-07-24	Joss	NF-PM1	B1=181875, B2=4620000, E=6
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2016-02-10	ramgeis	NF	no factor from 2^65 to 2^66
2015-04-21	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-04-21	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-14	dbaugh	NF	no factor from 2^62 to 2^63
2012-02-27	markr	NF	no factor from 2^61 to 2^62
2011-02-18	markr	NF-PM1	B1=110000, B2=2310000, E=6
2011-01-24	Joss	NF-PM1	B1=50000
2011-01-02	Joss	NF-PM1	B1=30000
2010-12-21	Joss	NF-PM1	B1=20000
2010-11-12	Joss	NF-PM1	B1=15000
2009-02-13	Sturle Sunde	NF	no factor from 2^60 to 2^61

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