3 354 269 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
22077213973250138313097	23	74.2	2021-02-22 16:31:42

ECM

Digits	B1	Curves
25	50000	66 / 280

Estimated T-Level: 21.2 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Brian Schmid	37C61EB81F41C093	0
Verified (Factored)	1999-07-04	Chris DeCoro	37C61EB81F41C093	3274823

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-02-23	mrh	E25A4645CD313495	1	922810	5	3

History

Date	User	Type	Result
2022-09-10	Joss	NF-PM1	B1=1000000, B2=241175550
2022-03-18	Joss	NF-PM1	B1=1000000, B2=134343300
2021-02-23	curtisc	CERT	PRP Certification Proof certified good
2021-02-23	mrh	C-PRP	M3354269/22077213973250138313097 : E25A4645CD313495 PRP proof power = 7 PRP: Verified Proof certified good
2021-02-22	MarkS	F-ECM	Factor: 22077213973250138313097 / (ECM curve 51, B1=50000, B2=5000000, Sigma=6783208533416628)
2020-10-11	mikr	NF-PM1	B1=4000000, B2=150000000, E=12
2018-12-17	TJAOI	NF	no factor from 2^67 to 2^68
2017-03-04	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-07-16	Joss	NF-PM1	B1=498872, B2=3990976, E=6
2016-06-20	Joss	NF-PM1	B1=498872, B2=1995488, E=6
2016-06-19	Joss	NF-PM1	B1=498872, B2=997744
2016-05-08	Numberwang	NF-PM1	B1=20000, B2=200000
2016-03-04	ramgeis	NF	no factor from 2^65 to 2^66
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-12-06	Joss	NF-PM1	B1=498872
2015-10-07	Joss	NF-PM1	B1=453520
2015-07-31	Joss	NF-PM1	B1=397784
2015-02-11	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-11	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-09-23	Joss	NF-PM1	B1=93270
2014-05-19	Joss	NF-PM1	B1=74135
2012-11-15	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-10-11	USAFSS	NF-PM1	B1=55000, B2=907500, E=6
2011-08-19	markr	NF	no factor to 2^62
2009-07-05	Carsten Kossendey	NF-PM1	B1=15000, B2=206250
2009-03-29	S485122	NF	no factor from 2^60 to 2^61

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