1 735 681 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
292837502745264012667217	24	78.0	2019-11-29 18:32:50

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)		Masaru Nakamura	4EC7A534947EB720	0
Verified (Factored)	1999-03-15	Saif Shah Mohammed	4EC7A534947EB720	1326404
Verified (Factored)	2015-07-18	MadPoo	4EC7A534947EB720	210313

PRP Cofactor

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2019-11-30	mnd9	0DF77C4B766A53CD	1	194156	5	3
Verified	2019-12-06	Luigi Morelli	0DF77C4B766A53CD	1	1431949	5	3

History

Date	User	Type	Result
2019-12-06	Luigi Morelli	C-PRP	M1735681/292837502745264012667217 : 0DF77C4B766A53CD PRP: Verified PRP without proof (not generated)
2019-11-30	mnd9	C-PRP	M1735681/292837502745264012667217 : 0DF77C4B766A53CD PRP: Verified PRP without proof (not generated)
2019-11-29	Keysarecool	F-ECM	Factor: 292837502745264012667217 / (ECM curve 1, B1=50000, B2=5000000, Sigma=2631934875075922)
2019-06-24	TJAOI	NF	no factor from 2^67 to 2^68
2018-10-17	Joss	NF-PM1	B1=2077640, B2=190924910, E=12
2018-10-11	Joss	NF-PM1	B1=2077640, B2=173568100, E=12
2018-10-03	Joss	NF-PM1	B1=2077640, B2=17356810, E=12
2018-04-16	TJAOI	NF	no factor from 2^66 to 2^67
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
2016-02-23	Mark Rose	NF	no factor from 2^61 to 2^62
2015-09-28	mikr	NF-PM1	B1=3642200, B2=123456789, E=12
2015-09-27	Joss	NF-PM1	B1=1888764
2015-09-17	Joss	NF-PM1	B1=1717059
2015-09-03	ramgeis	NF	no factor from 2^65 to 2^66
2015-07-27	Joss	NF-PM1	B1=1560963
2015-07-21	Joss	NF-PM1	B1=1419058
2015-07-18	MadPoo	C-LL	4EC7A534947EB720
2015-07-07	Joss	NF-PM1	B1=1290053
2015-06-25	Joss	NF-PM1	B1=1172776
2015-06-08	Joss	NF-PM1	B1=1066160
2015-05-26	Joss	NF-PM1	B1=969237
2015-05-22	Joss	NF-PM1	B1=881125
2015-05-07	Joss	NF-PM1	B1=801023
2015-05-05	snme2pm1	NF	no factor from 2^64 to 2^65
2015-05-05	snme2pm1	NF	no factor from 2^63 to 2^64
2015-05-01	Joss	NF-PM1	B1=728203
2015-04-08	Joss	NF-PM1	B1=601821
2015-03-15	Joss	NF-PM1	B1=497373
2015-03-08	Joss	NF-PM1	B1=452158
2015-02-21	Joss	NF-PM1	B1=411053
2015-02-11	Joss	NF-PM1	B1=373685
2015-01-29	Joss	NF-PM1	B1=280756
2015-01-27	Joss	NF-PM1	B1=255233
2014-12-02	Joss	NF-PM1	B1=210937
2014-09-10	Joss	NF-PM1	B1=173958
2014-05-06	Joss	NF-PM1	B1=136979
2014-04-04	Joss	NF-PM1	B1=100000
2011-02-07	Carsten Kossendey	NF-PM1	B1=95000, B2=1543750, E=6
2010-11-18	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-22	Architects Cubed	NF	no factor from 2^60 to 2^61

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