3 137 627 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
1526377119263976703001	22	70.4	2020-12-24 16:02:26

ECM

Digits	B1	Curves
25	50000	25 / 280

Estimated T-Level: 20.4 ⓘ

TF below 2^63 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Greg Hewgill	130B37908466AB39	0
Verified (Factored)	1999-05-30	Brad C. Karthauser	130B37908466AB39	1582174

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-12-25	Niels_Mache_Nextcloud	3E53BF434A92FCC0	1	1547433	5	3

History

Date	User	Type	Result
2022-01-22	Joss	NF-PM1	B1=1000000, B2=119912100
2021-02-18	Joss	NF	no factor from 2^66 to 2^67
2021-02-18	Joss	NF	no factor from 2^65 to 2^66
2021-01-18	Joss	NF-PM1	B1=684000, B2=3137627, E=6
2020-12-25	Ben Delo	CERT	PRP Certification Proof certified good
2020-12-25	Niels_Mache_Nextcloud	C-PRP	M3137627/1526377119263976703001 : 3E53BF434A92FCC0 PRP proof power = 7 PRP: Verified Proof certified good
2020-12-24	daveward2005	F-ECM	Factor: 1526377119263976703001 / (ECM curve 3, B1=50000, B2=5000000, Sigma=1535662363854299)
2019-02-04	mikr	NF-PM1	B1=3000000, B2=100000000, E=12
2019-01-07	TJAOI	NF	no factor from 2^67 to 2^68
2018-07-19	Joss	NF-PM1	B1=654000, B2=3270000
2018-07-19	Joss	NF-PM1	B1=654000, B2=2616000
2018-07-17	Joss	NF-PM1	B1=654000, B2=1308000
2017-04-17	Gordon Spence	NF	no factor from 2^66 to 2^67
2017-01-10	Joss	NF-PM1	B1=132000
2016-11-07	Squeeky_Squirrel	NF-PM1	B1=195000, B2=5460000, E=12
2015-06-14	Tha	NF	no factor from 2^65 to 2^66
2015-02-11	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-11	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-09-01	Squeeky_Squirrel	NF-PM1	B1=110000, B2=2475000, E=6
2013-01-03	dbaugh	NF	no factor from 2^62 to 2^63
2011-11-09	Grant McCracken	NF	no factor from 2^61 to 2^62
2011-09-05	Squeeky_Squirrel	NF-PM1	B1=55000, B2=935000, E=6
2009-07-03	Carsten Kossendey	NF-PM1	B1=15000, B2=183750
2009-04-10	S485122	NF	no factor from 2^60 to 2^61

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