2 171 599 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
6333375165463350190719026393	28	92.4	2020-07-15 20:46:10

ECM

Digits	B1	Curves
25	50000	94 / 280

Estimated T-Level: 21.7 ⓘ

TF below 2^67 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		John Hocking	B9F85D175094801B	0
Verified (Factored)	1999-02-21	Kirk Job Sluder	B9F85D175094801B	2044741
Verified (Factored)	2018-04-12	kkmrkkblmbrbk	B9F85D175094801B	2025658

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-07-16	mrh	8D0CBACF7CE641DE	1	881710	5	3
Verified	2020-07-17	marssystems	8D0CBACF7CE641DE	1	38002	5	3

History

Date	User	Type	Result
2020-07-17	marssystems	C-PRP	M2171599/6333375165463350190719026393 : 8D0CBACF7CE641DE PRP: Verified PRP without proof (not generated)
2020-07-16	mrh	C-PRP	M2171599/6333375165463350190719026393 : 8D0CBACF7CE641DE PRP: Verified PRP without proof (not generated)
2020-07-15	GAN	F-ECM	Factor: 6333375165463350190719026393 / (ECM curve 1, B1=50000, B2=5000000, Sigma=888534911581570)
2019-05-06	TJAOI	NF	no factor from 2^67 to 2^68
2018-04-12	kkmrkkblmbrbk	C-LL	B9F85D175094801B
2018-01-15	mikr	NF-PM1	B1=2500000, B2=125000000, E=12
2016-11-13	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
2016-01-25	Joss	NF-PM1	B1=489254, B2=4892540, 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
2014-10-05	Joss	NF-PM1	B1=149112
2014-06-11	Joss	NF-PM1	B1=119556
2013-09-09	ramgeis	NF	no factor from 2^62 to 2^63
2011-01-16	markr	NF-PM1	B1=90000, B2=1620000, E=6
2011-01-15	Joss	NF-PM1	B1=50000
2010-11-07	Joss	NF-PM1	B1=30000
2010-11-05	Joss	NF-PM1	B1=15000
2009-01-06	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

Username
Password