1 685 681 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
152095749309844422239	21	67.0	2012-02-19 14:36:38

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)		kimon berlin	B421313CCE22E949	0
Verified (Factored)	1998-11-07	Wim de Lange	B421313CCE22E949	0
Verified (Factored)	1999-03-15	Ethan Hansen	B421313CCE22E949	876370

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-03	Oliver Kruse	1D8DA74A111886CA	1	0	1	3
Verified	2017-11-03	kkmrkkblmbrbk	1D8DA74A111886CA	1	1294273	1	3

History

Date	User	Type	Result
2022-03-09	LordJulius	NF	no factor from 2^1 to 2^60
2022-03-08	LordJulius	NF	no factor from 2^58 to 2^60
2017-11-03	kkmrkkblmbrbk	C-PRP	M1685681/152095749309844422239 : 1D8DA74A111886CA PRP: Verified PRP without proof (not generated)
2017-10-03	Oliver Kruse	C-PRP	M1685681/152095749309844422239 : 1D8DA74A111886CA PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2012-02-19	Axon	F-ECM	Factor: 152095749309844422239
2012-02-19	Axon	NF-PM1	B1=1000000, B2=40000000, E=12
2012-02-19	Axon	NF-PM1	B1=1000000, B2=32000000, E=12
2012-02-19	Axon	NF-PM1	B1=1000000, B2=24000000, E=12
2012-02-19	Axon	NF-PM1	B1=1000000, B2=16000000, E=12
2012-02-19	Axon	NF-PM1	B1=1000000
2012-02-19	Axon	NF-PM1	B1=900000
2012-02-19	Axon	NF-PM1	B1=800000
2012-02-19	Axon	NF-PM1	B1=700000
2012-02-19	Axon	NF-PM1	B1=600000
2012-02-19	Axon	NF-PM1	B1=500000
2012-02-19	Axon	NF-PM1	B1=400000
2012-02-19	Axon	NF-PM1	B1=300000
2012-02-19	Axon	NF-PM1	B1=200000
2012-02-19	Axon	NF-PM1	B1=100000
2011-01-25	Joss	NF-PM1	B1=50000
2010-09-13	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-25	Architects Cubed	NF	no factor from 2^60 to 2^61

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