3 698 647 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

No factors below 2⁷⁰

TF target 2⁶⁴

TF below 2^74 is very unlikely to find new factors due to ECM effort.

P-1

B1 =	2359297
B2 =	4778283510

ECM

Digits	B1	Curves
25	50000	218 / 280

Estimated T-Level: 23.9 ⓘ

Status	Date	User	Residue	Shift
Verified		Henrik Flodell	00635889EEBE89DB	0
Verified	1999-07-26	Christopher Mario Frye	00635889EEBE89DB	1506541

History

Date	User	Type	Result
2023-12-27	Joss	NF-PM1	B1=2359297, B2=4778283510
2023-08-28	Joss	NF-PM1	B1=1000000, B2=1257446190
2020-12-07	axn	NF-PM1	B1=30000000, B2=600000000, E=12
2020-11-03	axn	NF	no factor from 2^69 to 2^70
2020-11-03	axn	NF	no factor from 2^68 to 2^69
2018-06-18	TJAOI	NF	no factor from 2^67 to 2^68
2017-02-25	Joss	NF-PM1	B1=238464, B2=2384640, E=6
2017-02-09	Squeeky_Squirrel	NF-PM1	B1=235000, B2=6932500, E=12
2017-02-04	Joss	NF-PM1	B1=198720
2017-01-29	Joss	NF-PM1	B1=165600
2017-01-19	Joss	NF-PM1	B1=138000
2017-01-05	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
2015-10-21	ramgeis	NF	no factor from 2^65 to 2^66
2015-01-25	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-01-25	VictordeHollander	NF	no factor from 2^63 to 2^64
2012-06-05	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2012-04-02	Squeeky_Squirrel	NF-PM1	B1=115000, B2=2328750, E=6
2011-05-13	Grant McCracken	NF	no factor from 2^61 to 2^62
2009-07-14	Carsten Kossendey	NF-PM1	B1=20000, B2=260000
2009-03-07	S485122	NF	no factor from 2^60 to 2^61

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