2 775 469 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 1 known prime factor. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
1306373420306656217060719	25	80.1	2020-12-29 00:01:50

ECM

Digits	B1	Curves
25	50000	64 / 280

Estimated T-Level: 21.1 ⓘ

TF below 2^65 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Martin Fahlgren	27BC0FB4E69C1CC5	0
Verified (Factored)	2000-01-19	Fumitaka Yura	27BC0FB4E69C1CC5	2261987
Verified (Factored)	2018-08-24	kkmrkkblmbrbk	27BC0FB4E69C1CC5	434015

PRP Cofactor

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-12-29	firejuggler	0367C88531D6C2A5	1	2575990	5	3
Verified	2020-12-29	firejuggler	0367C88531D6C2A5	1	149859	5	3
Verified	2020-12-30	Niels_Mache_Nextcloud	0367C88531D6C2A5	1	1468426	5	3

History

Date	User	Type	Result
2020-12-30	Ben Delo	CERT	PRP Certification Proof certified good
2020-12-30	Niels_Mache_Nextcloud	C-PRP	M2775469/1306373420306656217060719 : 0367C88531D6C2A5 PRP proof power = 7 PRP: Verified Proof certified good
2020-12-29	Ben Delo	CERT	PRP Certification Proof certified good
2020-12-29	firejuggler	C-PRP	M2775469/1306373420306656217060719 : 0367C88531D6C2A5 PRP proof power = 7 PRP: Verified Proof certified good
2020-12-29	GAN	CERT	PRP Certification Proof certified good
2020-12-29	firejuggler	C-PRP	M2775469/1306373420306656217060719 : 0367C88531D6C2A5 PRP proof power = 7 PRP: Verified Proof certified good
2020-12-29	Denis Porva	F-ECM	Factor: 1306373420306656217060719 / (ECM curve 3, B1=50000, B2=5000000, Sigma=3661917619994227)
2019-02-24	chuenkit	NF	no factor from 2^67 to 2^68
2018-08-24	kkmrkkblmbrbk	C-LL	27BC0FB4E69C1CC5
2017-10-12	Gordon Spence	NF	no factor from 2^66 to 2^67
2017-03-12	mikr	NF-PM1	B1=2700000, B2=84000000, E=12
2017-03-07	Joss	NF-PM1	B1=315187, B2=3151870, E=6
2017-01-10	Joss	NF-PM1	B1=262656
2017-01-10	Joss	NF-PM1	B1=218880
2016-12-18	Joss	NF-PM1	B1=182400
2016-08-04	Joss	NF-PM1	B1=152000, B2=4785000, E=6
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2015-12-08	omylist	NF	no factor from 2^65 to 2^66
2015-04-21	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-04-21	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-10	dbaugh	NF	no factor from 2^62 to 2^63
2012-03-25	Grant McCracken	NF	no factor from 2^61 to 2^62
2010-11-28	markr	NF-PM1	B1=110000, B2=2392500, E=6
2010-11-10	Joss	NF-PM1	B1=15000
2009-01-29	Sturle Sunde	NF	no factor from 2^60 to 2^61

Username
Password