3 639 421 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

No factors below 2⁷⁰

TF target 2⁶⁴

P-1

B1 =	10000000
B2 =	10215755550

ECM

Digits	B1	Curves
25	50000	75 / 280

Estimated T-Level: 21.3 ⓘ

Status	Date	User	Residue	Shift
Verified		John Durbetaki	7E92015E2BBD2BBE	0
Verified	1999-08-22	Frederick Adkins	7E92015E2BBD2BBE	1581334

History

Date	User	Type	Result
2024-04-02	Joss	NF-PM1	B1=10000000, B2=10215755550
2024-03-15	Joss	NF-PM1	B1=10000000, B2=2097985890
2022-02-09	Gordon Spence	NF	no factor from 2^69 to 2^70
2020-11-06	axn	NF	no factor from 2^68 to 2^69
2020-08-19	axn	NF-PM1	B1=30000000, B2=1000000000, E=12
2020-07-25	axn	NF-PM1	B1=30000000, B2=600000000, E=12
2018-08-06	TJAOI	NF	no factor from 2^67 to 2^68
2017-03-02	Joss	NF-PM1	B1=241228, B2=2412280, E=6
2017-02-04	Joss	NF-PM1	B1=201024
2017-01-29	Joss	NF-PM1	B1=167520
2016-12-27	Joss	NF-PM1	B1=129600
2016-12-25	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-06-08	Joss	NF-PM1	B1=108000, B2=3240000, E=6
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-10-18	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
2012-06-20	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2012-01-24	Squeeky_Squirrel	NF-PM1	B1=90000, B2=1620000, E=6
2011-05-17	markr	NF	no factor from 2^61 to 2^62
2009-07-06	Carsten Kossendey	NF-PM1	B1=20000, B2=245000
2009-03-11	S485122	NF	no factor from 2^60 to 2^61

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