1 701 391 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
608776886450586589828511	24	79.0	2020-02-24 10:28:16
135241434375355865644119479	27	86.8	2018-03-02 12:42:17

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	7332A69430679927	0
Verified (Factored)	1999-03-01	Richard Roehl	7332A69430679927	427039
Verified (Factored)	2015-07-19	MadPoo	7332A69430679927	1443775

PRP Cofactor

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2018-03-07	Oliver Kruse	5186A3173A422B2C	1	1695272	5	3
Verified (Factored)	2018-03-08	kkmrkkblmbrbk	5186A3173A422B2C	1	1600533	5	3
Verified	2020-02-25	rbanov	5186A3173A422B2C	2	906658	5	3
Verified	2020-02-26	Jinyuan Wang	5186A3173A422B2C	2	1514502	5	3

P-1 factors

Date	Factor	B1	B2
2018-03-02	135241434375355865644119479	1701391	120000000

History

Date	User	Type	Result
2021-07-15	Dylan Delgado	NF-PM1	B1=3000000, B2=273000000
2020-02-26	Jinyuan Wang	C-PRP	M1701391/608776886450586589828511/135241434375355865644119479 : 5186A3173A422B2C PRP: Verified PRP without proof (not generated)
2020-02-25	rbanov	C-PRP	M1701391/135241434375355865644119479/608776886450586589828511 : 5186A3173A422B2C PRP: Verified PRP without proof (not generated)
2020-02-24	TJAOI	F-ECM	Factor: 608776886450586589828511 / (ECM curve 134, B1=50000, B2=5000000)
2018-03-08	kkmrkkblmbrbk	C-PRP	M1701391/135241434375355865644119479 : 5186A3173A422B2C PRP: Verified PRP without proof (not generated)
2018-03-07	Oliver Kruse	C-PRP	M1701391/135241434375355865644119479 : 5186A3173A422B2C PRP: Verified PRP without proof (not generated)
2018-03-02	Joss	F-PM1	Factor: 135241434375355865644119479 / (P-1, B1=1701391, B2=120000000, E=12)
2018-02-12	Joss	NF-PM1	B1=1701391, B2=60000000, E=12
2018-01-14	Joss	NF-PM1	B1=1701391, B2=30000000, E=12
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
2015-07-19	MadPoo	C-LL	7332A69430679927
2015-04-27	snme2pm1	NF	no factor from 2^64 to 2^65
2015-04-27	snme2pm1	NF	no factor from 2^63 to 2^64
2014-10-01	Joss	NF-PM1	B1=187725
2014-05-03	Joss	NF-PM1	B1=150000
2014-03-31	Joss	NF-PM1	B1=100000
2011-02-09	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
2010-04-22	Architects Cubed	NF	no factor from 2^60 to 2^61

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