2 042 891 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
35669696170765397193089017	26	84.9	2020-02-09 08:14:22

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	129 / 640

Estimated T-Level: 26.0 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		phil kenny	34B12F05DDA5C097	0
Verified (Factored)	1999-01-17	Louis Towles	34B12F05DDA5C097	602711
Verified (Factored)	2016-07-15	Mark Rose	34B12F05DDA5C097	139393

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-02-09	Niels_Mache_Nextcloud	4A3E30AAE13BB289	1	415365	5	3
Verified	2020-02-10	oodaira	4A3E30AAE13BB289	1	1255218	5	3

History

Date	User	Type	Result
2020-02-10	oodaira	C-PRP	M2042891/35669696170765397193089017 : 4A3E30AAE13BB289 PRP: Verified PRP without proof (not generated)
2020-02-09	Niels_Mache_Nextcloud	C-PRP	M2042891/35669696170765397193089017 : 4A3E30AAE13BB289 PRP: Verified PRP without proof (not generated)
2020-02-09	mnd9	F-ECM	Factor: 35669696170765397193089017 / (ECM curve 1, B1=50000, B2=5000000, Sigma=2328694032494168)
2019-07-10	mikr	NF-PM1	B1=4000000, B2=200000000, E=12
2019-06-29	BigBrother	NF-PM1	B1=1000000, B2=20000000, E=12
2019-03-22	chuenkit	NF	no factor from 2^67 to 2^68
2016-08-04	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-07-15	Mark Rose	C-LL	34B12F05DDA5C097
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2015-11-01	ramgeis	NF	no factor from 2^65 to 2^66
2015-10-06	Bruno Victal	NF-PM1	B1=500000, B2=15000000, E=12
2015-04-13	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-04-13	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-10-19	Joss	NF-PM1	B1=166418
2013-08-30	ramgeis	NF	no factor from 2^62 to 2^63
2012-02-28	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-01-31	markr	NF-PM1	B1=135000, B2=3003750, E=6
2011-01-04	Joss	NF-PM1	B1=50000
2010-12-28	Joss	NF-PM1	B1=30000
2009-01-03	Sturle Sunde	NF	no factor from 2^60 to 2^61

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