1 952 311 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
2695175807691858140095513	25	81.2	2020-03-18 22:19:12

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	107 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Tom Cage	80627B0D25849DE5	0
Verified (Factored)	1999-01-02	Gary Untermeyer	80627B0D25849DE5	1366445
Verified (Factored)	2015-06-27	MadPoo	80627B0D25849DE5	1605911

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-03-19	ANONYMOUS	E474489EB6EE703E	1	165489	5	3
Verified	2020-03-19	Niels_Mache_Nextcloud	E474489EB6EE703E	1	343384	5	3

History

Date	User	Type	Result
2020-03-19	Niels_Mache_Nextcloud	C-PRP	M1952311/2695175807691858140095513 : E474489EB6EE703E PRP: Verified PRP without proof (not generated)
2020-03-19	ANONYMOUS	C-PRP	M1952311/2695175807691858140095513 : E474489EB6EE703E PRP: Verified PRP without proof (not generated)
2020-03-18	mnd9	F-ECM	Factor: 2695175807691858140095513 / (ECM curve 1, B1=50000, B2=5000000, Sigma=6548599691524934)
2019-05-23	chuenkit	NF	no factor from 2^67 to 2^68
2018-11-26	Joss	NF-PM1	B1=1952311, B2=244038875, E=12
2018-05-10	Joss	NF-PM1	B1=1952311, B2=195231100, E=12
2018-03-02	Joss	NF-PM1	B1=1952311, B2=120000000, E=12
2018-02-12	TJAOI	NF	no factor from 2^66 to 2^67
2018-02-12	Joss	NF-PM1	B1=1952311, B2=60000000, E=12
2018-01-23	Joss	NF-PM1	B1=1952311, B2=30000000, E=12
2016-02-23	Mark Rose	NF	no factor from 2^61 to 2^62
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2016-02-23	Mark Rose	NF	no factor from 2^59 to 2^60
2015-09-06	ramgeis	NF	no factor from 2^65 to 2^66
2015-06-27	MadPoo	C-LL	80627B0D25849DE5
2015-04-23	lycorn	NF	no factor from 2^64 to 2^65
2015-04-23	lycorn	NF	no factor from 2^63 to 2^64
2011-08-27	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-05-08	kurly	NF-PM1	B1=1000000, B2=30000000, E=12
2010-01-18	S485122	NF	no factor from 2^60 to 2^61

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