2 498 593 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 =	8700000
B2 =	31468125150

ECM

Digits	B1	Curves
25	50000	189 / 280

Estimated T-Level: 23.4 ⓘ

Status	Date	User	Residue	Shift
Verified		Joseph Charrier	A7E313A3E5948519	0
Verified	2000-09-29	Andrew Irwin	A7E313A3E5948519	2245345
Verified	2018-06-02	kkmrkkblmbrbk	A7E313A3E5948519	1844308

History

Date	User	Type	Result
2024-03-01	TJAOI	NF	no factor from 2^69 to 2^70
2023-09-12	Sid & Andy	NF-PM1	B1=8700000, B2=31468125150
2023-07-12	Joss	NF-PM1	B1=1000000, B2=2957444490
2023-03-09	Joss	NF-PM1	B1=1000000, B2=1265445720
2023-01-31	Joss	NF-PM1	B1=1000000, B2=464671350
2021-05-27	TJAOI	NF	no factor from 2^68 to 2^69
2019-03-04	TJAOI	NF	no factor from 2^67 to 2^68
2018-06-02	kkmrkkblmbrbk	C-LL	A7E313A3E5948519
2017-07-27	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
2015-10-31	ramgeis	NF	no factor from 2^65 to 2^66
2015-03-03	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-03-03	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-12-16	mikr	NF-PM1	B1=2382500, B2=85770100, E=12
2014-09-10	Joss	NF-PM1	B1=120688
2013-01-14	dbaugh	NF	no factor from 2^62 to 2^63
2012-06-11	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-01-25	Oscar Östlin	NF-PM1	B1=95000, B2=1971250, E=6
2010-12-16	Joss	NF-PM1	B1=20000
2009-01-11	Sturle Sunde	NF	no factor from 2^60 to 2^61

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