1 701 101 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
1284538428846253471089169	25	80.1	2018-07-26 19:53:53

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)		Joel Armengaud	CB1D58656386B2E8	0
Verified (Factored)	1999-02-14	Ethan O'Connor	CB1D58656386B2E8	773334
Verified (Factored)	2015-06-27	MadPoo	CB1D58656386B2E8	391364

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-07-27	Gabriel Lignelli	A93A00F80BD06E89	1	956354	5	3
Verified	2018-07-27	_p95holder_	A93A00F80BD06E89	1	56235	5	3

History

Date	User	Type	Result
2018-07-27	_p95holder_	C-PRP	M1701101/1284538428846253471089169 : A93A00F80BD06E89 PRP: Verified PRP without proof (not generated)
2018-07-27	Gabriel Lignelli	C-PRP	M1701101/1284538428846253471089169 : A93A00F80BD06E89 PRP: Verified PRP without proof (not generated)
2018-07-26	nordi	F-ECM	Factor: 1284538428846253471089169 / (ECM curve 47, B1=50000, B2=5000000)
2018-06-18	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
2015-08-30	ramgeis	NF	no factor from 2^65 to 2^66
2015-06-27	MadPoo	C-LL	CB1D58656386B2E8
2015-02-15	VictordeHollander	NF-PM1	B1=10000000, B2=200000000, E=12
2015-02-13	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-13	VictordeHollander	NF	no factor from 2^63 to 2^64
2015-02-02	Joss	NF-PM1	B1=309755
2015-01-07	Joss	NF-PM1	B1=281596
2014-10-01	Joss	NF-PM1	B1=187731
2014-05-03	Joss	NF-PM1	B1=150000
2014-03-31	Joss	NF-PM1	B1=100000
2011-02-07	Carsten Kossendey	NF-PM1	B1=90000, B2=1507500, E=6
2011-01-27	Joss	NF-PM1	B1=50000
2010-10-04	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-21	Architects Cubed	NF	no factor from 2^60 to 2^61

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