3 644 513 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

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

Factored

Factor	Digits	Bits	Date
2630519531355330739581512441	28	91.1	2020-08-26 11:30:01

ECM

Digits	B1	Curves
25	50000	12 / 280

Estimated T-Level: 20.2 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		James Bullington	CC489817050FC60A	0
Verified (Factored)		Andy Kohler	CC489817050FC60A	0
Verified (Factored)	2001-02-04	rob.boel	CC489817050FC60A	734951

Status	Date	User	Residue	Shift	Type	Base
Verified (Factored)	2020-08-26	storm5510	CF74E7081521A8A8	0	1	3

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-08-29	Sébastien BROUCKE	CF74E7081521A8A8	1	1432503	5	3
Verified	2020-08-30	marssystems	CF74E7081521A8A8	1	2762111	5	3

P-1 factors

Date	Factor	B1	B2
2020-08-26	2630519531355330739581512441	30000000	600000000

History

Date	User	Type	Result
2022-05-24	Joss	NF-PM1	B1=100000, B2=130364850
2022-03-22	Joss	NF-PM1	B1=100000
2022-03-04	Joss	NF-PM1	B1=90000
2020-09-07	Ben Delo	CERT	PRP Certification CERT proof power = 8 Proof certified good
2020-08-30	marssystems	C-PRP	M3644513/2630519531355330739581512441 : CF74E7081521A8A8 PRP: Verified PRP without proof (not generated)
2020-08-29	Sébastien BROUCKE	C-PRP	M3644513/2630519531355330739581512441 : CF74E7081521A8A8 PRP: Verified PRP without proof (not generated)
2020-08-26	storm5510	C-PRP	CF74E7081521A8A8 PRP proof power = 8 PRP: Verified (Factored) Proof certified good
2020-08-26	axn	F-PM1	Factor: 2630519531355330739581512441 / (P-1, B1=30000000, B2=600000000, E=12)
2018-07-23	TJAOI	NF	no factor from 2^67 to 2^68
2016-12-26	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-10-20	ramgeis	NF	no factor from 2^65 to 2^66
2015-01-22	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-01-22	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-01-01	mikr	NF-PM1	B1=650000, B2=26600000, E=12
2012-06-05	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2012-01-26	Squeeky_Squirrel	NF-PM1	B1=90000, B2=1620000, E=6
2011-05-17	markr	NF	no factor to 2^62
2009-07-07	Carsten Kossendey	NF-PM1	B1=20000, B2=245000
2009-03-10	S485122	NF	no factor from 2^60 to 2^61

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