2 804 519 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
31104719844499938057713	23	74.7	2015-03-23 12:36:50

ECM

Digits	B1	Curves
25	50000	12 / 280

Estimated T-Level: 20.2 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Jay M. Cichonski	84BA52E8AC1CA510	0
Verified (Factored)	1999-05-09	Ethan O'Connor	84BA52E8AC1CA510	2370716

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-21	Oliver Kruse	7E4E2BEA804D7DBD	1	1209530	5	3
Verified	2017-12-06	kkmrkkblmbrbk	7E4E2BEA804D7DBD	1	1086918	5	3

History

Date	User	Type	Result
2021-09-21	Dylan Delgado	NF-PM1	B1=4000000, B2=404000000
2017-12-06	kkmrkkblmbrbk	C-PRP	M2804519/31104719844499938057713 : 7E4E2BEA804D7DBD PRP: Verified PRP without proof (not generated)
2017-10-21	Oliver Kruse	C-PRP	M2804519/31104719844499938057713 : 7E4E2BEA804D7DBD PRP: Verified PRP without proof (not generated)
2015-03-23	bam	F-ECM	Factor: 31104719844499938057713 / (ECM curve 3, B1=50000, B2=5000000)
2015-03-14	Joss	NF-PM1	B1=621107
2015-03-12	Joss	NF-PM1	B1=564643
2015-03-02	Joss	NF-PM1	B1=513312
2015-02-25	Joss	NF-PM1	B1=466648
2015-02-15	Joss	NF-PM1	B1=424226
2015-02-13	Joss	NF-PM1	B1=385660
2015-02-11	Joss	NF-PM1	B1=350600
2015-02-03	Joss	NF-PM1	B1=217697
2015-02-01	Joss	NF-PM1	B1=197907
2015-01-31	Joss	NF-PM1	B1=179916
2015-01-26	Joss	NF-PM1	B1=148691
2014-11-10	Joss	NF-PM1	B1=122886
2013-01-10	dbaugh	NF	no factor from 2^62 to 2^63
2012-03-02	Grant McCracken	NF	no factor from 2^61 to 2^62
2010-11-20	markr	NF-PM1	B1=100000, B2=2075000, E=6
2010-11-12	Joss	NF-PM1	B1=15000
2009-02-14	Sturle Sunde	NF	no factor from 2^60 to 2^61

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