2 179 729 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
7082523432907837660533863	25	82.6	2020-11-20 05:14:24

ECM

Digits	B1	Curves
25	50000	127 / 280

Estimated T-Level: 22.3 ⓘ

TF below 2^69 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Anssi Saari	007301455DACC800	0
Verified (Factored)	1999-02-14	Sam Robertson	007301455DACC800	1445217
Verified (Factored)	2018-04-13	kkmrkkblmbrbk	007301455DACC800	135491

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-11-20	mrh	91942255A04BFAC8	1	2062801	5	3
Verified	2020-11-20	ANONYMOUS	91942255A04BFAC8	1	1312620	5	3

History

Date	User	Type	Result
2020-11-20	Mark Rose	CERT	PRP Certification Proof certified good
2020-11-20	ANONYMOUS	C-PRP	M2179729/7082523432907837660533863 : 91942255A04BFAC8 PRP proof power = 7 PRP: Verified Proof certified good
2020-11-20	mrh	C-PRP	M2179729/7082523432907837660533863 : 91942255A04BFAC8 PRP: Verified PRP without proof (not generated)
2020-11-20	daveward2005	F-ECM	Factor: 7082523432907837660533863 / (ECM curve 1, B1=50000, B2=5000000, Sigma=8232719199031258)
2019-04-22	TJAOI	NF	no factor from 2^67 to 2^68
2018-04-13	kkmrkkblmbrbk	C-LL	007301455DACC800
2018-01-20	mikr	NF-PM1	B1=2500000, B2=125000000, E=12
2016-11-24	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2016-01-04	Joss	NF-PM1	B1=443655, B2=4436550, E=6
2016-01-02	ramgeis	NF	no factor from 2^65 to 2^66
2015-03-25	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-03-25	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-10-07	Joss	NF-PM1	B1=148892
2014-06-26	-Anonymous-	NF-PM1	B1=119446
2013-01-23	dbaugh	NF	no factor from 2^62 to 2^63
2011-01-14	markr	NF-PM1	B1=90000, B2=1620000, E=6
2010-11-08	Joss	NF-PM1	B1=30000
2010-11-05	Joss	NF-PM1	B1=15000
2009-01-07	Sturle Sunde	NF	no factor from 2^61 to 2^62
2009-01-04	Sturle Sunde	NF	no factor from 2^60 to 2^61

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