3 171 799 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
6649927114944745217519	22	72.5	2021-03-06 23:40:39

ECM

Digits	B1	Curves
25	50000	39 / 280

Estimated T-Level: 20.7 ⓘ

TF below 2^64 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Timo Aaltonen and friends	BA67FA6D8E150D98	0
Verified (Factored)	1999-07-04	John David Young	BA67FA6D8E150D98	1155999

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-03-11	-Anonymous-	482FD7FB75863A62	1	1510615	5	3
Verified	2021-04-04	ATH	482FD7FB75863A62	1	953537	5	3

History

Date	User	Type	Result
2022-09-12	Joss	NF-PM1	B1=1000000, B2=241175550
2022-02-27	Joss	NF-PM1	B1=1000000, B2=134343300
2021-04-15	Richard WL Ridley	CERT	PRP Certification Proof certified good
2021-04-04	curtisc	CERT	PRP Certification Proof certified good
2021-04-04	ATH	C-PRP	M3171799/6649927114944745217519 : 482FD7FB75863A62 PRP proof power = 7 PRP: Verified Proof certified good
2021-03-11	-Anonymous-	C-PRP	M3171799/6649927114944745217519 : 482FD7FB75863A62 PRP proof power = 7 PRP: Verified Proof certified good
2021-03-06	Zenzoma	F-ECM	Factor: 6649927114944745217519 / (ECM curve 3, B1=50000, B2=5000000, Sigma=6268444183038353)
2019-01-14	TJAOI	NF	no factor from 2^67 to 2^68
2019-01-06	King	NF-PM1	B1=2131475, B2=59681306, E=6
2017-04-25	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-04-22	Joss	NF-PM1	B1=384000, B2=11584176, E=6
2015-09-25	Squeeky_Squirrel	NF-PM1	B1=145000, B2=3625000, E=6
2015-06-17	Tha	NF	no factor from 2^65 to 2^66
2015-02-15	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-15	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-09-25	Joss	NF-PM1	B1=100472
2014-06-01	Joss	NF-PM1	B1=80236
2013-01-03	dbaugh	NF	no factor from 2^62 to 2^63
2011-10-28	Grant McCracken	NF	no factor from 2^61 to 2^62
2011-09-10	Squeeky_Squirrel	NF-PM1	B1=60000, B2=960000, E=6
2009-07-03	Carsten Kossendey	NF-PM1	B1=15000, B2=191250
2009-04-08	S485122	NF	no factor from 2^60 to 2^61

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