3 030 997 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 1 known prime factor. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
1376962883113702030106201	25	80.2	2020-04-24 00:43:10

ECM

Digits	B1	Curves
25	50000	66 / 280

Estimated T-Level: 21.2 ⓘ

TF below 2^65 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Don Sandstrom	46230E7BC351F220	0
Verified (Factored)	1999-05-23	Ilkka Loppi	46230E7BC351F220	918365

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-04-24	Christoph Zenger	97AF547BD15B27B8	1	2228717	5	3
Verified	2020-04-25	M Miller	97AF547BD15B27B8	1	1552365	5	3

P-1 factors

Date	Factor	B1	B2
2020-04-24	1376962883113702030106201	32632949	1860078093

History

Date	User	Type	Result
2022-09-07	Joss	NF-PM1	B1=1053098, B2=226749600
2022-01-23	Joss	NF-PM1	B1=1053098, B2=119912100
2021-12-12	Joss	NF	no factor from 2^68 to 2^69
2021-01-14	Joss	NF-PM1	B1=303099, B2=3030997, E=6
2021-01-14	Joss	NF-PM1	B1=303099
2020-04-25	M Miller	C-PRP	M3030997/1376962883113702030106201 : 97AF547BD15B27B8 PRP: Verified PRP without proof (not generated)
2020-04-24	Christoph Zenger	C-PRP	M3030997/1376962883113702030106201 : 97AF547BD15B27B8 PRP: Verified PRP without proof (not generated)
2020-04-24	oodaira	F-PM1	Factor: 1376962883113702030106201 / (P-1, B1=32632949, B2=1860078093, E=12)
2018-07-16	ramgeis	NF	no factor from 2^67 to 2^68
2017-08-04	Joss	NF-PM1	B1=390000, B2=3900000, E=6
2017-07-03	mikr	NF-PM1	B1=3000000, B2=100000000, E=12
2017-05-02	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-04-30	Squeeky_Squirrel	NF-PM1	B1=195000, B2=5313750, E=6
2015-06-02	Tha	NF	no factor from 2^65 to 2^66
2015-02-07	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-07	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-07	dbaugh	NF	no factor from 2^62 to 2^63
2010-10-24	Sid & Andy	NF	no factor from 2^61 to 2^62
2010-10-10	markr	NF-PM1	B1=110000, B2=2420000, E=6
2009-02-05	Jayson King	NF	no factor from 2^60 to 2^61

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