2 832 131 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
866167392439860294333079	24	79.5	2020-11-16 03:12:10

ECM

Digits	B1	Curves
25	50000	51 / 280

Estimated T-Level: 20.9 ⓘ

TF below 2^64 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		David Raitt	78F0B9BE96C4AEF1	0
Verified (Factored)	1999-07-27	Gregor Schwan	78F0B9BE96C4AEF1	1436323
Verified (Factored)	2018-09-11	kkmrkkblmbrbk	78F0B9BE96C4AEF1	2462172

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-11-16	mrh	7CF86906278DD81E	1	2782489	5	3
Verified	2020-12-01	oodaira	7CF86906278DD81E	1	2700857	5	3

History

Date	User	Type	Result
2020-12-01	WR	CERT	PRP Certification Proof certified good
2020-12-01	oodaira	C-PRP	M2832131/866167392439860294333079 : 7CF86906278DD81E PRP proof power = 7 PRP: Verified Proof certified good
2020-11-16	mrh	C-PRP	M2832131/866167392439860294333079 : 7CF86906278DD81E PRP: Verified PRP without proof (not generated)
2020-11-16	rextherunt	F-ECM	Factor: 866167392439860294333079 / (ECM curve 6, B1=50000, B2=5000000)
2020-01-29	masser	NF-PM1	B1=5000000, B2=200000000, E=12
2019-11-04	masser	NF-PM1	B1=2840000, B2=28400000, E=12
2018-09-11	kkmrkkblmbrbk	C-LL	78F0B9BE96C4AEF1
2017-08-22	Joss	NF-PM1	B1=468000, B2=4680000, E=6
2017-07-10	Joss	NF-PM1	B1=390000, B2=3900000, E=6
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2013-02-23	dbaugh	NF	no factor from 2^71 to 2^72
2012-12-17	Squeeky_Squirrel	NF-PM1	B1=195000, B2=6288750, E=12
2012-11-19	dbaugh	NF	no factor from 2^70 to 2^71
2012-08-28	dbaugh	NF	no factor from 2^69 to 2^70
2012-07-29	dbaugh	NF	no factor from 2^68 to 2^69
2012-07-27	dbaugh	NF	no factor from 2^67 to 2^68
2012-07-23	dbaugh	NF	no factor from 2^66 to 2^67
2012-07-18	dbaugh	NF	no factor from 2^65 to 2^66
2012-07-18	dbaugh	NF	no factor from 2^64 to 2^65
2012-07-16	dbaugh	NF	no factor from 2^63 to 2^64
2012-07-15	dbaugh	NF	no factor from 2^62 to 2^63
2012-02-12	Grant McCracken	NF	no factor from 2^61 to 2^62
2009-02-13	Sturle Sunde	NF	no factor from 2^60 to 2^61

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