1 741 373 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
2584615095518943339147767	25	81.1	2020-01-11 08:05:45

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	107 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Paul Wilson	A1DD43088A335E90	0
Verified (Factored)	1998-12-13	Scott Fohey	A1DD43088A335E90	291319
Verified (Factored)	2015-06-27	MadPoo	A1DD43088A335E90	1725129

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-01-12	Niels_Mache_Nextcloud	8C6F514E942A52A0	1	1315999	5	3
Verified	2020-01-12	marssystems	8C6F514E942A52A0	1	1310428	5	3

History

Date	User	Type	Result
2020-01-12	marssystems	C-PRP	M1741373/2584615095518943339147767 : 8C6F514E942A52A0 PRP: Verified PRP without proof (not generated)
2020-01-12	Niels_Mache_Nextcloud	C-PRP	M1741373/2584615095518943339147767 : 8C6F514E942A52A0 PRP: Verified PRP without proof (not generated)
2020-01-11	mnd9	F-ECM	Factor: 2584615095518943339147767 / (ECM curve 1, B1=50000, B2=5000000, Sigma=7642238545570247)
2019-07-31	TJAOI	NF	no factor from 2^67 to 2^68
2018-10-18	Joss	NF-PM1	B1=1741373, B2=191551030, E=12
2018-08-06	Joss	NF-PM1	B1=1741373, B2=174137300, E=12
2018-01-15	TJAOI	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^61 to 2^62
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2015-09-04	ramgeis	NF	no factor from 2^65 to 2^66
2015-06-27	MadPoo	C-LL	A1DD43088A335E90
2015-05-12	snme2pm1	NF	no factor from 2^64 to 2^65
2015-05-12	snme2pm1	NF	no factor from 2^63 to 2^64
2015-04-14	mikr	NF-PM1	B1=2475400, B2=86660000, E=12
2014-12-02	Joss	NF-PM1	B1=210574
2014-09-11	Joss	NF-PM1	B1=173716
2014-05-06	Joss	NF-PM1	B1=136858
2014-04-05	Joss	NF-PM1	B1=100000
2011-02-10	Carsten Kossendey	NF-PM1	B1=95000, B2=1543750, E=6
2010-11-18	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-20	Architects Cubed	NF	no factor from 2^60 to 2^61

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