2 900 633 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 1 known prime factor. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
4979406188653207081643911	25	82.0	2023-11-04 23:26:44

ECM

Digits	B1	Curves
25	50000	140 / 280

Estimated T-Level: 22.5 ⓘ

TF below 2^70 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Matthieu Klein	6171F2D73A805C26	0
Verified (Factored)	1999-08-22	Bryce E. Maryott	6171F2D73A805C26	1829677
Verified (Factored)	2018-09-30	kkmrkkblmbrbk	6171F2D73A805C26	2291593

PRP Cofactor

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2023-11-05	Naegi Makoto	218EDB0E80C4C2F9	1	1371183	5	3

P-1 factors

Date	Factor	B1	B2
2023-11-04	4979406188653207081643911	10000000	25649387610

History

Date	User	Type	Result
2023-11-05	curtisc	CERT	PRP Certification Proof certified good
2023-11-05	Naegi Makoto	C-PRP	M2900633/4979406188653207081643911 : 218EDB0E80C4C2F9 PRP proof power = 7 PRP: Verified Proof certified good
2023-11-04	mikr	F-PM1	Factor: 4979406188653207081643911 / (P-1, B1=10000000, B2=25649387610)
2023-10-26	Joss	NF-PM1	B1=2600176, B2=2660759010
2023-09-26	Joss	NF-PM1	B1=1000000, B2=6518421000
2023-05-26	Joss	NF-PM1	B1=1000000, B2=3169186020
2022-10-19	Architects Cubed	NF	no factor from 2^69 to 2^70
2021-06-07	TJAOI	NF	no factor from 2^68 to 2^69
2020-03-18	masser	NF-PM1	B1=5000000, B2=200000000, E=12
2018-12-17	chuenkit	NF	no factor from 2^67 to 2^68
2018-09-30	kkmrkkblmbrbk	C-LL	6171F2D73A805C26
2018-02-18	Joss	NF-PM1	B1=2900633, B2=5801266, E=6
2018-02-17	Joss	NF-PM1	B1=2900633
2018-02-16	Joss	NF-PM1	B1=2488320
2018-02-14	Joss	NF-PM1	B1=2073600
2018-02-14	Joss	NF-PM1	B1=1728000
2018-02-13	Joss	NF-PM1	B1=1440000
2018-02-12	Joss	NF-PM1	B1=1200000
2017-11-16	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-08-20	Joss	NF-PM1	B1=1000000, B2=2200000, E=6
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2016-02-20	Yxinity	NF	no factor from 2^65 to 2^66
2015-04-25	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-04-25	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-07	dbaugh	NF	no factor from 2^62 to 2^63
2011-12-07	Grant McCracken	NF	no factor from 2^61 to 2^62
2010-03-30	Rob_Dee	NF-PM1	B1=1000000, B2=1100000
2010-03-29	Rob_Dee	NF-PM1	B1=900000, B2=1000000
2010-03-28	Rob_Dee	NF-PM1	B1=800000, B2=900000
2010-03-27	Rob_Dee	NF-PM1	B1=700000, B2=800000
2010-03-26	Rob_Dee	NF-PM1	B1=600000, B2=700000
2010-03-25	Rob_Dee	NF-PM1	B1=500000, B2=600000
2010-03-24	Rob_Dee	NF-PM1	B1=400000, B2=500000
2010-03-23	Rob_Dee	NF-PM1	B1=300000, B2=400000
2010-03-22	Rob_Dee	NF-PM1	B1=200000, B2=300000
2010-03-21	Rob_Dee	NF-PM1	B1=100000, B2=200000
2009-07-03	Carsten Kossendey	NF-PM1	B1=15000, B2=168750
2009-02-13	Sturle Sunde	NF	no factor from 2^60 to 2^61

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