2 101 061 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
13967365986826654839991	23	73.6	2017-10-18 00:28:30

ECM

Digits	B1	Curves
25	50000	86 / 280

Estimated T-Level: 21.5 ⓘ

TF below 2^67 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Jeff Woods	7ED23BA31D7328DD	0
Verified (Factored)	1999-01-17	Dylan Jones	7ED23BA31D7328DD	1642432

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-18	Oliver Kruse	8138D510DD4A2316	1	247110	5	3
Verified	2017-11-17	kkmrkkblmbrbk	8138D510DD4A2316	1	473530	5	3

History

Date	User	Type	Result
2017-11-17	kkmrkkblmbrbk	C-PRP	M2101061/13967365986826654839991 : 8138D510DD4A2316 PRP: Verified PRP without proof (not generated)
2017-10-18	Oliver Kruse	C-PRP	M2101061/13967365986826654839991 : 8138D510DD4A2316 PRP: Verified PRP without proof (not generated)
2017-10-18	Sid & Andy	F-ECM	Factor: 13967365986826654839991 / (ECM curve 53, B1=50000, B2=5000000)
2017-05-30	Joss	NF-PM1	B1=372680, B2=3726800, E=6
2017-05-02	nordi	NF-PM1	B1=3981446, B2=123424840, E=12
2016-11-11	Joss	NF-PM1	B1=268329
2016-11-06	Joss	NF-PM1	B1=223608
2016-10-01	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-07-10	Joss	NF-PM1	B1=186340, B2=5950000, E=12
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2015-12-23	ramgeis	NF	no factor from 2^65 to 2^66
2015-03-15	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-03-15	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-09-04	ramgeis	NF	no factor from 2^62 to 2^63
2012-03-25	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-01-24	James Heinrich	NF-PM1	B1=140000, B2=2975000, E=6
2011-01-09	Joss	NF-PM1	B1=50000
2010-12-29	Joss	NF-PM1	B1=30000
2009-08-01	USAFSS	NF-PM1	B1=20000, B2=260000
2009-01-02	Sturle Sunde	NF	no factor from 2^60 to 2^61

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