1 441 361 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
3914196168889622777423	22	71.7	2015-10-05 06:49:37

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	105 / 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)		Konrad Bieler	34D9C2FD7F334728	0
Verified (Factored)	1999-01-17	David Campeau	34D9C2FD7F334728	364177
Verified (Factored)	2015-07-19	MadPoo	34D9C2FD7F334728	681594

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-30	alpertron	C100337F03192678	1	0	1	3
Verified	2017-10-18	Oliver Kruse	C100337F03192678	1	61409	1	3

History

Date	User	Type	Result
2017-10-18	Oliver Kruse	C-PRP	M1441361/3914196168889622777423 : C100337F03192678 PRP: Verified PRP without proof (not generated)
2017-09-30	alpertron	C-PRP	M1441361/3914196168889622777423 : C100337F03192678 PRP: Verified PRP without proof (not generated)
2015-10-05	Chang Chia-Tche	F-ECM	Factor: 3914196168889622777423 / (ECM curve 1, B1=50000, B2=5000000)
2015-09-15	ramgeis	NF	no factor from 2^65 to 2^66
2015-07-19	MadPoo	C-LL	34D9C2FD7F334728
2015-05-03	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2015-05-01	Joss	NF-PM1	B1=928591
2015-04-08	Joss	NF-PM1	B1=767431
2015-03-22	snme2pm1	NF	no factor from 2^64 to 2^65
2015-03-22	snme2pm1	NF	no factor from 2^63 to 2^64
2015-03-10	Joss	NF-PM1	B1=576583
2015-03-03	Joss	NF-PM1	B1=524167
2015-02-25	Joss	NF-PM1	B1=476516
2015-02-13	Joss	NF-PM1	B1=393816
2015-01-30	Joss	NF-PM1	B1=358015
2015-01-27	Joss	NF-PM1	B1=325469
2014-11-14	Joss	NF-PM1	B1=244530
2011-07-17	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-05-22	Rob_Dee	NF-PM1	B1=200000, B2=5000000, E=6
2010-05-21	Rob_Dee	NF-PM1	B1=200000, B2=4000000, E=6
2010-05-20	Rob_Dee	NF-PM1	B1=200000, B2=3000000, E=6
2010-05-19	Rob_Dee	NF-PM1	B1=200000, B2=2000000, E=6
2010-05-18	Rob_Dee	NF-PM1	B1=200000, B2=1000000, E=6
2010-05-17	Rob_Dee	NF-PM1	B1=100000, B2=200000
2010-05-11	Architects Cubed	NF	no factor from 2^60 to 2^61

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