1 818 277 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
667590744005738733842489	24	79.1	2020-11-10 09:26:35
96847812708433245723214759	26	86.3	2021-03-26 16:49:53

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)		Michael J. Kilfoyle	4A2A0188AD02C21E	0
Verified (Factored)	1998-12-21	Joel Riphagen	4A2A0188AD02C21E	733584
Verified (Factored)	2015-07-01	MadPoo	4A2A0188AD02C21E	1028958

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2020-11-10	Oliver Kruse	E3821312B467BB31	1	161274	5	3
Verified	2021-03-27	rbanov	E3821312B467BB31	2	1300192	5	3

History

Date	User	Type	Result
2021-03-27	curtisc	CERT	PRP Certification Proof certified good
2021-03-27	rbanov	C-PRP	M1818277/667590744005738733842489/96847812708433245723214759 : E3821312B467BB31 PRP proof power = 7 PRP: Verified Proof certified good
2021-03-26	TJAOI	F-ECM	Factor: 96847812708433245723214759 / (ECM curve 34, B1=50000, B2=6600000)
2020-11-10	Ben Delo	CERT	PRP Certification Proof certified good
2020-11-10	Oliver Kruse	C-PRP	M1818277/667590744005738733842489 : E3821312B467BB31 PRP proof power = 7 PRP: Verified (Factored) Proof certified good
2020-11-10	GAN	F-ECM	Factor: 667590744005738733842489 / (ECM curve 6, B1=50000, B2=5000000, Sigma=8199421464450955)
2019-06-17	TJAOI	NF	no factor from 2^67 to 2^68
2018-09-10	Joss	NF-PM1	B1=1818277, B2=181827700, E=12
2018-03-05	TJAOI	NF	no factor from 2^66 to 2^67
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 2^58 to 2^60
2015-09-02	ramgeis	NF	no factor from 2^65 to 2^66
2015-07-01	MadPoo	C-LL	4A2A0188AD02C21E
2015-05-28	mikr	NF-PM1	B1=2780000, B2=91760000, E=12
2015-04-24	snme2pm1	NF	no factor from 2^64 to 2^65
2015-04-24	snme2pm1	NF	no factor from 2^63 to 2^64
2014-09-22	Joss	NF-PM1	B1=170598
2014-05-13	Joss	NF-PM1	B1=135299
2011-02-10	Carsten Kossendey	NF-PM1	B1=100000, B2=1650000, E=6
2011-01-21	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-17	Architects Cubed	NF	no factor from 2^60 to 2^61

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