3 083 209 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
1534246684536529067497	22	70.4	2021-05-14 05:14:44

ECM

Digits	B1	Curves
25	50000	48 / 280

Estimated T-Level: 20.9 ⓘ

TF below 2^64 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		George Woltman	5E25788E57353D42	0
Verified (Factored)	1999-06-15	Lars Geisler	5E25788E57353D42	799469

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-05-14	mikr	2FEC63E1DF1C3E98	1	2302590	5	3
Verified	2021-05-16	kutens	2FEC63E1DF1C3E98	1	1831457	5	3

History

Date	User	Type	Result
2022-02-20	Joss	NF-PM1	B1=1000000, B2=128282700
2022-01-20	Joss	NF	no factor from 2^67 to 2^68
2021-05-16	Kriesel	CERT	PRP Certification Proof certified good
2021-05-16	kutens	C-PRP	M3083209/1534246684536529067497 : 2FEC63E1DF1C3E98 PRP proof power = 7 PRP: Verified Proof certified good
2021-05-14	WeakForceBoson	CERT	PRP Certification Proof certified good
2021-05-14	mikr	C-PRP	M3083209/1534246684536529067497 : 2FEC63E1DF1C3E98 PRP proof power = 7 PRP: Verified Proof certified good
2021-05-14	kutens	F-ECM	Factor: 1534246684536529067497 / (ECM curve 4, B1=50000, B2=6700000, Sigma=4687795312476454)
2021-03-03	TJAOI	NF	no factor from 2^68 to 2^69
2018-08-10	ramgeis	NF	no factor from 2^67 to 2^68
2018-03-21	mikr	NF-PM1	B1=3000000, B2=100000000, E=12
2017-05-18	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-04-14	Joss	NF-PM1	B1=200000, B2=6188673, E=6
2015-06-08	Tha	NF	no factor from 2^65 to 2^66
2015-02-07	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-07	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-03	dbaugh	NF	no factor from 2^62 to 2^63
2011-11-13	Sid & Andy	NF	no factor from 2^61 to 2^62
2011-08-18	USAFSS	NF-PM1	B1=100000, B2=2125000, E=6
2009-02-13	Sturle Sunde	NF	no factor from 2^60 to 2^61
2008-10-29	Jayson King	NF-PM1	B1=40000, B2=640000, E=6

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