1 779 689 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
31885437122467976939240473	26	84.7	2020-07-16 19:00:19

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)		George Sassoon	2AC760850079C591	0
Verified (Factored)	1999-01-02	shane metler	2AC760850079C591	1131643
Verified (Factored)	2015-07-18	MadPoo	2AC760850079C591	788050

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-07-17	Kirill Frolov	9FD9E16E31FD9062	1	1478290	5	3
Verified	2020-07-24	roemer2201	9FD9E16E31FD9062	1	320528	5	3

History

Date	User	Type	Result
2020-07-24	roemer2201	C-PRP	M1779689/31885437122467976939240473 : 9FD9E16E31FD9062 PRP: Verified PRP without proof (not generated)
2020-07-17	Kirill Frolov	C-PRP	M1779689/31885437122467976939240473 : 9FD9E16E31FD9062 PRP: Verified PRP without proof (not generated)
2020-07-16	GAN	F-ECM	Factor: 31885437122467976939240473 / (ECM curve 3, B1=50000, B2=5000000, Sigma=5726816821167700)
2019-06-17	TJAOI	NF	no factor from 2^67 to 2^68
2018-10-19	Joss	NF-PM1	B1=1779689, B2=195765790, E=12
2018-07-04	Joss	NF-PM1	B1=1779689, B2=177968900, E=12
2018-03-26	TJAOI	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2016-02-23	Mark Rose	NF	no factor from 2^61 to 2^62
2015-09-11	ramgeis	NF	no factor from 2^65 to 2^66
2015-07-18	MadPoo	C-LL	2AC760850079C591
2015-05-26	mikr	NF-PM1	B1=2475400, B2=86660000, E=12
2015-05-08	snme2pm1	NF	no factor from 2^64 to 2^65
2015-05-08	snme2pm1	NF	no factor from 2^63 to 2^64
2014-09-19	Joss	NF-PM1	B1=172130
2014-05-09	Joss	NF-PM1	B1=136065
2014-04-10	-Anonymous-	NF-PM1	B1=100000
2011-02-07	Carsten Kossendey	NF-PM1	B1=95000, B2=1615000, E=6
2010-10-04	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-22	Architects Cubed	NF	no factor from 2^60 to 2^61

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