2 885 569 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
14563284970483888968524629289462697658543	41	133.4	2020-02-23 15:11:34

ECM

Digits	B1	Curves
25	50000	18 / 280

Estimated T-Level: 20.3 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Robert Kulagowski	195591D7759D3F39	0
Verified (Factored)	1999-05-23	John Dilick	195591D7759D3F39	2309165
Verified (Factored)	2018-09-26	kkmrkkblmbrbk	195591D7759D3F39	102009

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-02-23	Christoph Zenger	2704EFF371268517	1	650816	5	3
Verified	2020-02-27	AbsolutXTR	2704EFF371268517	1	2463948	5	3

P-1 factors

Date	Factor	B1	B2
2020-02-23	14563284970483888968524629289462697658543	5000000	200000000

History

Date	User	Type	Result
2020-02-27	AbsolutXTR	C-PRP	M2885569/14563284970483888968524629289462697658543 : 2704EFF371268517 PRP: Verified PRP without proof (not generated)
2020-02-23	Christoph Zenger	C-PRP	M2885569/14563284970483888968524629289462697658543 : 2704EFF371268517 PRP: Verified PRP without proof (not generated)
2020-02-23	masser	F-PM1	Factor: 14563284970483888968524629289462697658543 / (P-1, B1=5000000, B2=200000000, E=12)
2019-10-19	masser	NF-PM1	B1=2900000, B2=29000000, E=12
2019-01-11	chuenkit	NF	no factor from 2^67 to 2^68
2018-09-26	kkmrkkblmbrbk	C-LL	195591D7759D3F39
2018-09-05	Joss	NF-PM1	B1=857304, B2=2571912, E=6
2018-09-03	Joss	NF-PM1	B1=857304, B2=1714608, E=6
2018-01-07	Joss	NF-PM1	B1=394149
2017-11-13	Gordon Spence	NF	no factor from 2^66 to 2^67
2017-03-11	Joss	NF-PM1	B1=328458, B2=3284580, E=6
2016-12-14	Joss	NF-PM1	B1=273715
2016-10-28	Joss	NF-PM1	B1=190080
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2015-11-23	omylist	NF	no factor from 2^65 to 2^66
2015-04-21	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-04-21	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-07	dbaugh	NF	no factor from 2^62 to 2^63
2012-01-16	Grant McCracken	NF	no factor from 2^61 to 2^62
2009-02-15	Sturle Sunde	NF	no factor from 2^60 to 2^61

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