3 128 399 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

No factors below 2⁷⁰

TF target 2⁶⁴

P-1

B1 =	9500000
B2 =	24372119310

ECM

Digits	B1	Curves
25	50000	121 / 280

Estimated T-Level: 22.2 ⓘ

Status	Date	User	Residue	Shift
Verified	1998-04-21	Mitch	F765CECB47D84A16	0
Verified	1999-06-06	Kent Lee	F765CECB47D84A16	279227

History

Date	User	Type	Result
2023-04-24	Sid & Andy	NF-PM1	B1=9500000, B2=24372119310
2022-10-30	Joss	NF-PM1	B1=1000000, B2=265074810
2022-10-01	Joss	NF-PM1	B1=1000000, B2=118249950
2022-09-28	mikr	NF	no factor from 2^69 to 2^70
2021-03-30	TJAOI	NF	no factor from 2^68 to 2^69
2019-01-07	TJAOI	NF	no factor from 2^67 to 2^68
2018-12-15	mikr	NF-PM1	B1=3000000, B2=100000000, E=12
2018-07-18	Joss	NF-PM1	B1=692144, B2=4152864
2018-07-18	Joss	NF-PM1	B1=692144, B2=2768576
2018-07-17	Joss	NF-PM1	B1=692144, B2=2076432
2017-04-15	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-10-01	Squeeky_Squirrel	NF-PM1	B1=195000, B2=5460000, E=12
2015-06-14	Tha	NF	no factor from 2^65 to 2^66
2015-02-11	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-11	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	markr	NF	no factor from 2^61 to 2^62
2011-08-31	Squeeky_Squirrel	NF-PM1	B1=105000, B2=2152500, E=6
2009-07-03	Carsten Kossendey	NF-PM1	B1=15000, B2=180000
2009-04-11	S485122	NF	no factor from 2^60 to 2^61

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