3 128 033 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
82271775024070517322625399	26	86.1	2018-12-13 17:28:47

ECM

Digits	B1	Curves
25	50000	18 / 280

Estimated T-Level: 20.3 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Christopher Burrows	1E31E14B85BD2096	0
Verified (Factored)	1999-12-23	Guy Albertelli	1E31E14B85BD2096	618489

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-12-15	oodaira	910EFE28109247AB	1	24203	5	3
Verified	2018-12-15	kkmrkkblmbrbk	910EFE28109247AB	1	326530	5	3

P-1 factors

Date	Factor	B1	B2
2018-12-13	82271775024070517322625399	3000000	100000000

History

Date	User	Type	Result
2021-12-22	Joss	NF-PM1	B1=3128033, B2=637437570
2021-12-19	Joss	NF-PM1	B1=3128033, B2=108997350
2021-11-20	Joss	NF-PM1	B1=3128033
2021-02-25	Joss	NF	no factor from 2^67 to 2^68
2021-01-03	Joss	NF	no factor from 2^65 to 2^66
2018-12-15	kkmrkkblmbrbk	C-PRP	M3128033/82271775024070517322625399 : 910EFE28109247AB PRP: Verified PRP without proof (not generated)
2018-12-15	oodaira	C-PRP	M3128033/82271775024070517322625399 : 910EFE28109247AB PRP: Verified PRP without proof (not generated)
2018-12-13	mikr	F-PM1	Factor: 82271775024070517322625399 / (P-1, B1=3000000, B2=100000000, E=12)
2018-07-18	Joss	NF-PM1	B1=692144, B2=4152864
2018-07-18	Joss	NF-PM1	B1=692144, B2=2768576
2018-07-17	Joss	NF-PM1	B1=692144, B2=2076432
2017-04-15	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-10-01	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
2013-01-03	dbaugh	NF	no factor from 2^62 to 2^63
2011-11-14	markr	NF	no factor from 2^61 to 2^62
2011-08-31	Squeeky_Squirrel	NF-PM1	B1=105000, B2=2152500, E=6
2009-07-03	Carsten Kossendey	NF-PM1	B1=15000, B2=180000
2009-04-13	S485122	NF	no factor from 2^60 to 2^61

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