3 164 081 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

No factors below 2⁷⁰

TF target 2⁶⁴

TF below 2^73 is very unlikely to find new factors due to ECM effort.

P-1

B1 =	8700000
B2 =	22330589190

ECM

Digits	B1	Curves
25	50000	191 / 280

Estimated T-Level: 23.4 ⓘ

Status	Date	User	Residue	Shift
Verified		UB	F4AEAE55C20C07A5	0
Verified	1999-08-22	Lee Sau Dan	F4AEAE55C20C07A5	0
Verified	1999-12-08	Per M. Hansen	F4AEAE55C20C07A5	2615309

History

Date	User	Type	Result
2023-03-30	Sid & Andy	NF-PM1	B1=8700000, B2=22330589190
2023-01-11	TJAOI	NF	no factor from 2^69 to 2^70
2022-10-30	Joss	NF-PM1	B1=1000000, B2=265074810
2022-10-01	Joss	NF-PM1	B1=1000000, B2=118249950
2021-06-14	TJAOI	NF	no factor from 2^68 to 2^69
2019-07-19	mikr	NF-PM1	B1=3000000, B2=100000000, E=12
2019-01-21	TJAOI	NF	no factor from 2^67 to 2^68
2017-04-22	Gordon Spence	NF	no factor from 2^66 to 2^67
2015-11-28	HBendtz	NF-PM1	B1=500000, B2=12000000, e=12
2015-11-05	Joss	NF-PM1	B1=552156
2015-08-10	Joss	NF-PM1	B1=433983
2015-06-17	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
2014-09-25	Joss	NF-PM1	B1=100570
2014-05-26	Joss	NF-PM1	B1=80285
2013-01-03	dbaugh	NF	no factor from 2^62 to 2^63
2011-10-28	Grant McCracken	NF	no factor from 2^61 to 2^62
2011-09-09	Squeeky_Squirrel	NF-PM1	B1=60000, B2=960000, E=6
2009-07-03	Carsten Kossendey	NF-PM1	B1=15000, B2=191250
2009-04-10	S485122	NF	no factor from 2^60 to 2^61

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