3 184 471 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
3521715579240019228577	22	71.6	2021-03-14 16:09:07

ECM

Digits	B1	Curves
25	50000	38 / 280

Estimated T-Level: 20.7 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)	1998-02-12	Vassilo Walluschnig	9FD0D9988DD5965D	0
Verified (Factored)	1999-06-15	Mark Skidmore	9FD0D9988DD5965D	244936

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-03-15	happy5214	C182715FB9F1241E	1	288850	5	3

History

Date	User	Type	Result
2022-09-12	Joss	NF-PM1	B1=1000000, B2=241175550
2022-02-27	Joss	NF-PM1	B1=1000000, B2=134343300
2021-03-15	Schnell Lab	CERT	PRP Certification Proof certified good
2021-03-15	happy5214	C-PRP	M3184471/3521715579240019228577 : C182715FB9F1241E PRP proof power = 7 PRP: Verified Proof certified good
2021-03-14	daveward2005	F-ECM	Factor: 3521715579240019228577 / (ECM curve 2, B1=50000, B2=5000000, Sigma=4596498438416756)
2019-09-30	mikr	NF-PM1	B1=4000000, B2=150000000, E=12
2019-01-07	TJAOI	NF	no factor from 2^67 to 2^68
2017-04-30	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-03-08	Joss	NF-PM1	B1=670328, B2=12065904, E=6
2015-11-17	Joss	NF-PM1	B1=558607
2015-09-24	Joss	NF-PM1	B1=441191
2015-06-18	Tha	NF	no factor from 2^65 to 2^66
2015-02-15	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-15	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-09-29	Joss	NF-PM1	B1=100310
2014-06-01	Joss	NF-PM1	B1=80155
2013-01-03	dbaugh	NF	no factor from 2^62 to 2^63
2011-10-19	Grant McCracken	NF	no factor from 2^61 to 2^62
2011-09-12	Squeeky_Squirrel	NF-PM1	B1=60000, B2=975000, E=6
2009-07-03	Carsten Kossendey	NF-PM1	B1=15000, B2=191250
2009-04-07	S485122	NF	no factor from 2^60 to 2^61

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