2 915 369 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

No factors below 2⁷⁰

TF target 2⁶³

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

P-1

B1 =	10000000
B2 =	10118795610

ECM

Digits	B1	Curves
25	50000	202 / 280

Estimated T-Level: 23.6 ⓘ

Status	Date	User	Residue	Shift
Verified	1998-03-09	Yves Kreis	7FB42C099AEFF2D9	0
Verified	1999-09-14	Oliver Krueger	7FB42C099AEFF2D9	803601
Verified	2018-10-04	kkmrkkblmbrbk	7FB42C099AEFF2D9	2415398

History

Date	User	Type	Result
2023-10-24	Joss	NF-PM1	B1=10000000, B2=10118795610
2023-10-18	Joss	NF-PM1	B1=10000000, B2=1330973280
2023-09-22	Joss	NF-PM1	B1=10000000, B2=563095260
2023-09-16	Joss	NF-PM1	B1=1000000, B2=5990024040
2023-05-26	Joss	NF-PM1	B1=1000000, B2=2878315440
2023-05-26	TJAOI	NF	no factor from 2^69 to 2^70
2021-05-31	TJAOI	NF	no factor from 2^68 to 2^69
2020-03-30	masser	NF-PM1	B1=5000000, B2=200000000, E=12
2018-12-18	chuenkit	NF	no factor from 2^67 to 2^68
2018-10-04	kkmrkkblmbrbk	C-LL	7FB42C099AEFF2D9
2017-11-19	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^59 to 2^60
2016-02-22	ramgeis	NF	no factor from 2^65 to 2^66
2015-04-25	VictordeHollander	NF-PM1	B1=1000000, B2=20000000, E=12
2015-04-25	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-04-25	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-10	dbaugh	NF	no factor from 2^62 to 2^63
2011-12-22	Grant McCracken	NF	no factor from 2^61 to 2^62
2011-01-25	markr	NF-PM1	B1=105000, B2=2283750, E=6
2010-12-24	Joss	NF-PM1	B1=20000
2009-07-03	Carsten Kossendey	NF-PM1	B1=15000, B2=168750
2009-02-12	Sturle Sunde	NF	no factor from 2^60 to 2^61

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