2 624 539 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
599491471602670087183	21	69.0	2017-11-03 14:01:40

ECM

Digits	B1	Curves
25	50000	25 / 280

Estimated T-Level: 20.4 ⓘ

TF below 2^63 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Nigel Backhouse	BF2094C97D1E73E2	0
Verified (Factored)	1999-04-23	Christian Santoso	BF2094C97D1E73E2	412779

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-11-04	Oliver Kruse	B9796189136DF406	1	1610710	5	3
Verified	2017-12-02	kkmrkkblmbrbk	B9796189136DF406	1	619779	5	3

History

Date	User	Type	Result
2019-07-04	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-12-02	kkmrkkblmbrbk	C-PRP	M2624539/599491471602670087183 : B9796189136DF406 PRP: Verified PRP without proof (not generated)
2017-11-04	Oliver Kruse	C-PRP	M2624539/599491471602670087183 : B9796189136DF406 PRP: Verified PRP without proof (not generated)
2017-11-03	Chang Chia-Tche	F-ECM	Factor: 599491471602670087183 / (ECM curve 1, B1=50000, B2=5000000)
2017-08-30	Gordon Spence	NF	no factor from 2^66 to 2^67
2017-04-22	Joss	NF-PM1	B1=350000, B2=3500000, E=6
2016-12-26	Joss	NF-PM1	B1=214989
2016-12-24	Joss	NF-PM1	B1=179158
2016-12-23	Joss	NF-PM1	B1=149299
2016-02-23	Mark Rose	NF	no factor from 2^59 to 2^60
2016-01-17	ramgeis	NF	no factor from 2^65 to 2^66
2015-02-23	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-23	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-14	dbaugh	NF	no factor from 2^62 to 2^63
2012-06-15	markr	NF	no factor from 2^61 to 2^62
2011-04-20	James Heinrich	NF-PM1	B1=175000, B2=4243750, E=6
2011-01-19	Joss	NF-PM1	B1=50000
2010-12-26	Joss	NF-PM1	B1=30000
2010-12-21	Joss	NF-PM1	B1=20000
2009-02-01	Sturle Sunde	NF	no factor from 2^60 to 2^61

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