2 147 737 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
1383214350807652489316537	25	80.2	2020-08-04 20:44:11

ECM

Digits	B1	Curves
25	50000	107 / 280

Estimated T-Level: 21.9 ⓘ

TF below 2^68 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Jay Ackerman (Jay the Tall)	2DA08BA0A827161C	0
Verified (Factored)	1999-02-14	David Allen	2DA08BA0A827161C	156565
Verified (Factored)	2018-04-08	kkmrkkblmbrbk	2DA08BA0A827161C	865680

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-08-05	M Miller	31976844B788D03D	1	771099	5	3
Verified	2020-08-05	marssystems	31976844B788D03D	1	34777	5	3

History

Date	User	Type	Result
2020-08-05	marssystems	C-PRP	M2147737/1383214350807652489316537 : 31976844B788D03D PRP: Verified PRP without proof (not generated)
2020-08-05	M Miller	C-PRP	M2147737/1383214350807652489316537 : 31976844B788D03D PRP: Verified PRP without proof (not generated)
2020-08-04	rextherunt	F-ECM	Factor: 1383214350807652489316537 / (ECM curve 2, B1=50000, B2=5000000)
2019-04-15	TJAOI	NF	no factor from 2^67 to 2^68
2018-04-08	kkmrkkblmbrbk	C-LL	2DA08BA0A827161C
2017-05-13	Joss	NF-PM1	B1=607816, B2=6078160, E=6
2017-05-08	Joss	NF-PM1	B1=506514, B2=5065140, E=6
2017-04-27	Joss	NF-PM1	B1=422095, B2=4220950, E=6
2017-04-26	nordi	NF-PM1	B1=3981446, B2=123424840, E=12
2017-04-22	Joss	NF-PM1	B1=351746, B2=3517460, E=6
2016-10-29	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-06-07	Joss	NF-PM1	B1=175873, B2=5265000, E=6
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2016-02-15	Yxinity	NF	no factor from 2^65 to 2^66
2015-03-18	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-03-18	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-11-03	Joss	NF-PM1	B1=159885
2013-09-07	ramgeis	NF	no factor from 2^62 to 2^63
2011-01-22	James Heinrich	NF-PM1	B1=130000, B2=2632500, E=6
2011-01-13	Joss	NF-PM1	B1=50000
2010-12-30	Joss	NF-PM1	B1=30000
2010-11-03	Joss	NF-PM1	B1=20000
2009-01-08	Sturle Sunde	NF	no factor from 2^61 to 2^62
2009-01-05	Sturle Sunde	NF	no factor from 2^60 to 2^61

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