3 385 747 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
10267651243418758150929326441	29	93.1	2021-05-28 07:23:03

ECM

Digits	B1	Curves
25	50000	36 / 280

Estimated T-Level: 20.6 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)	1998-09-06	Thomas Honold	D8C72DE7DF020A4B	0
Verified (Factored)	1999-07-12	Aaron B	D8C72DE7DF020A4B	54781

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-05-30	A child prodigy in maths	34A01C487B57340E	1	1253944	5	3
Verified	2021-07-01	marssystems	34A01C487B57340E	1	688312	5	3

P-1 factors

Date	Factor	B1	B2
2021-05-28	10267651243418758150929326441	4000000	150000000

History

Date	User	Type	Result
2022-04-10	Joss	NF-PM1	B1=1000000, B2=126668850
2022-04-09	Joss	NF-PM1	B1=1000000
2022-02-25	Joss	NF-PM1	B1=200000
2021-07-02	Section 31	CERT	PRP Certification Proof certified good
2021-07-01	marssystems	C-PRP	M3385747/10267651243418758150929326441 : 34A01C487B57340E PRP proof power = 7 PRP: Verified Proof certified good
2021-05-30	A child prodigy in maths	C-PRP	M3385747/10267651243418758150929326441 : 34A01C487B57340E PRP proof power = 7 PRP: Verified PRP proof never uploaded
2021-05-28	mikr	F-PM1	Factor: 10267651243418758150929326441 / (P-1, B1=4000000, B2=150000000, E=12)
2018-10-01	TJAOI	NF	no factor from 2^67 to 2^68
2017-03-30	Joss	NF-PM1	B1=310000, B2=3100000, E=6
2017-03-10	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-09-20	Squeeky_Squirrel	NF-PM1	B1=155000, B2=4030000, E=6
2015-04-02	Gordon Spence	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
2014-10-13	Joss	NF-PM1	B1=97914
2014-07-04	Joss	NF-PM1	B1=78957
2012-11-15	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-10-21	USAFSS	NF-PM1	B1=60000, B2=930000, E=6
2011-09-12	Grant McCracken	NF	no factor from 2^61 to 2^62
2009-07-10	Carsten Kossendey	NF-PM1	B1=15000, B2=206250
2009-03-25	S485122	NF	no factor from 2^60 to 2^61

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