2 635 967 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
611700900123729658581271	24	79.0	2021-06-15 20:46:10

ECM

Digits	B1	Curves
25	50000	112 / 280

Estimated T-Level: 22.0 ⓘ

TF below 2^68 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Dax Prather	D12266AEC280C49D	0
Verified (Factored)	1999-04-23	Rory McManus	D12266AEC280C49D	403604
Verified (Factored)	2018-07-11	kkmrkkblmbrbk	D12266AEC280C49D	399999

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-06-15	ATH	1DBBE6F2BFF65343	1	1837633	5	3

History

Date	User	Type	Result
2021-06-15	Ben Delo	CERT	PRP Certification Proof certified good
2021-06-15	ATH	C-PRP	M2635967/611700900123729658581271 : 1DBBE6F2BFF65343 PRP proof power = 7 PRP: Verified Proof certified good
2021-06-15	daveward2005	F-ECM	Factor: 611700900123729658581271 / (ECM curve 5, B1=50000, B2=5000000, Sigma=7659818599989627)
2021-05-27	TJAOI	NF	no factor from 2^68 to 2^69
2019-10-30	masser	NF-PM1	B1=2640000, B2=26400000, E=12
2019-03-18	TJAOI	NF	no factor from 2^67 to 2^68
2018-07-11	kkmrkkblmbrbk	C-LL	D12266AEC280C49D
2017-09-01	Gordon Spence	NF	no factor from 2^66 to 2^67
2017-04-27	Joss	NF-PM1	B1=360000, B2=3600000, E=6
2016-12-27	Joss	NF-PM1	B1=206385
2016-12-26	Joss	NF-PM1	B1=171988
2016-02-23	Mark Rose	NF	no factor from 2^59 to 2^60
2016-01-19	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
2012-06-09	Grant McCracken	NF	no factor from 2^61 to 2^62
2011-01-19	James Heinrich	NF-PM1	B1=180000, B2=4275000, E=6
2009-06-21	USAFSS	NF-PM1	B1=30000, B2=420000
2009-01-29	Sturle Sunde	NF	no factor from 2^60 to 2^61

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