1 701 653 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
470784707030470480522830457	27	88.6	2020-02-04 00:53:47
227637279592879261298216271683273	33	107.5	2021-09-01 07:59:50

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	175 / 1566

Estimated T-Level: 30.6 ⓘ

TF below 2^97 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Joel Armengaud	C3342D9A96C8AE5D	0
Verified (Factored)	1999-02-21	Trevor Green	C3342D9A96C8AE5D	1271485
Verified (Factored)	2015-07-19	MadPoo	C3342D9A96C8AE5D	545246

PRP Cofactor

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2020-02-04	Niels_Mache_Nextcloud	807C3AEA7A8BDC3B	1	912904	5	3
Verified (Factored)	2020-02-05	marssystems	807C3AEA7A8BDC3B	1	451822	5	3
Verified	2021-09-01	Marcel PERRIN	807C3AEA7A8BDC3B	2	95368	5	3

History

Date	User	Type	Result
2021-09-01	Marcel PERRIN	C-PRP	M1701653/470784707030470480522830457/227637279592879261298216271683273 : 807C3AEA7A8BDC3B PRP proof power = 7 PRP: Verified PRP proof never uploaded
2021-09-01	Marcel PERRIN	F-ECM	Factor: 227637279592879261298216271683273 / (ECM curve 343, B1=250000, B2=25000000, Sigma=7418596571367214)
2020-02-05	marssystems	C-PRP	M1701653/470784707030470480522830457 : 807C3AEA7A8BDC3B PRP: Verified (Factored) PRP without proof (not generated)
2020-02-04	Niels_Mache_Nextcloud	C-PRP	M1701653/470784707030470480522830457 : 807C3AEA7A8BDC3B PRP: Verified (Factored) PRP without proof (not generated)
2020-02-04	mnd9	F-ECM	Factor: 470784707030470480522830457 / (ECM curve 1, B1=250000, B2=25000000, Sigma=936910295161302)
2019-08-06	TJAOI	NF	no factor from 2^67 to 2^68
2018-06-18	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 2^58 to 2^60
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-08-30	ramgeis	NF	no factor from 2^65 to 2^66
2015-07-19	MadPoo	C-LL	C3342D9A96C8AE5D
2015-02-18	VictordeHollander	NF-PM1	B1=10000000, B2=200000000, E=12
2015-02-16	Joss	NF-PM1	B1=374778
2015-02-13	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-13	VictordeHollander	NF	no factor from 2^63 to 2^64
2015-02-02	Joss	NF-PM1	B1=309735
2015-01-07	Joss	NF-PM1	B1=281578
2014-10-01	Joss	NF-PM1	B1=187719
2014-05-03	Joss	NF-PM1	B1=150000
2014-03-31	Joss	NF-PM1	B1=100000
2011-02-07	Carsten Kossendey	NF-PM1	B1=90000, B2=1507500, E=6
2011-01-27	Joss	NF-PM1	B1=50000
2010-10-04	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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