3 186 367 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
50981873	8	25.6	old
3900113209	10	31.9	2008-09-07 19:44:43
6863434519	10	32.7	2008-09-07 19:44:43
51296003846199071	17	55.5	2015-01-29 12:05:48
19976222522829345959	20	64.1	2017-07-20 12:12:39

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

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

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-28	alpertron	3345AD19821E10BA	5	0	1	3
Verified	2017-11-18	Oliver Kruse	3345AD19821E10BA	5	2881417	1	3

History

Date	User	Type	Result
2022-12-09	LordJulius	NF	no factor from 2^64 to 2^65
2022-07-20	Joss	NF-PM1	B1=4000000, B2=3193494150
2022-04-02	LordJulius	NF	no factor from 2^63 to 2^64
2022-04-02	LordJulius	NF	no factor from 2^62 to 2^63
2022-01-10	Joss	NF-PM1	B1=4000000, B2=1038178680
2021-12-21	Joss	NF-PM1	B1=4000000, B2=116758950
2021-08-20	Joss	NF-PM1	B1=3186367, B2=159318350, E=12
2021-08-19	Joss	NF	no factor from 2^69 to 2^70
2021-08-11	Joss	NF-PM1	B1=3186367, B2=31863670, E=12
2021-08-05	Joss	NF-PM1	B1=3186367
2021-01-25	Joss	NF	no factor from 2^68 to 2^69
2021-01-24	Joss	NF	no factor from 2^67 to 2^68
2021-01-20	Joss	NF	no factor from 2^66 to 2^67
2021-01-15	Joss	NF	no factor from 2^65 to 2^66
2021-01-02	Joss	NF	no factor from 2^64 to 2^65
2020-06-29	Joss	NF-PM1	B1=414219, B2=31863670, E=12
2017-11-18	Oliver Kruse	C-PRP	M3186367/50981873/3900113209/6863434519/51296003846199071/19976222522829345959 : 3345AD19821E10BA PRP: Verified PRP without proof (not generated)
2017-09-28	alpertron	C-PRP	M3186367/19976222522829345959/3900113209/50981873/51296003846199071/6863434519 : 3345AD19821E10BA PRP: Verified PRP without proof (not generated)
2017-07-20	TJAOI	F	Factor: 19976222522829345959 / TF: 64-65
2015-01-29	TJAOI	F	Factor: 51296003846199071 / TF: 55-56
2008-09-07	Will Edgington	F	Factor: 6863434519
2008-09-07	Will Edgington	F	Factor: 3900113209

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