2 954 981 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

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

Factored

Factor	Digits	Bits	Date
540009058770079840351	21	68.9	2015-05-08 13:54:14

ECM

Digits	B1	Curves
25	50000	121 / 280

Estimated T-Level: 22.2 ⓘ

TF below 2^69 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Matthias Menzel	5F034C620C8C0C80	0
Verified (Factored)	1999-10-07	David Willmore	5F034C620C8C0C80	2836039

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-26	Oliver Kruse	D35B20AC5D2A54CF	1	2334403	5	3
Verified	2017-12-09	kkmrkkblmbrbk	D35B20AC5D2A54CF	1	1542114	5	3

P-1 factors

Date	Factor	B1	B2
2015-05-08	540009058770079840351	1000000	20000000

History

Date	User	Type	Result
2022-07-09	LordJulius	NF	no factor from 2^67 to 2^68
2022-07-09	LordJulius	NF	no factor from 2^66 to 2^67
2022-07-09	LordJulius	NF	no factor from 2^65 to 2^66
2017-12-09	kkmrkkblmbrbk	C-PRP	M2954981/540009058770079840351 : D35B20AC5D2A54CF PRP: Verified PRP without proof (not generated)
2017-10-26	Oliver Kruse	C-PRP	M2954981/540009058770079840351 : D35B20AC5D2A54CF PRP: Verified PRP without proof (not generated)
2015-05-08	VictordeHollander	F-PM1	Factor: 540009058770079840351 / (P-1, B1=1000000, B2=20000000, E=12)
2015-05-01	Joss	NF-PM1	B1=975126
2015-04-27	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-04-27	VictordeHollander	NF	no factor from 2^63 to 2^64
2015-04-08	Joss	NF-PM1	B1=805890
2015-03-29	Joss	NF-PM1	B1=732628
2015-03-15	Joss	NF-PM1	B1=605479
2015-03-12	Joss	NF-PM1	B1=550436
2015-03-02	Joss	NF-PM1	B1=500397
2015-02-25	Joss	NF-PM1	B1=454907
2015-02-06	Joss	NF-PM1	B1=413552
2015-02-01	Joss	NF-PM1	B1=187979
2015-01-31	Joss	NF-PM1	B1=170890
2015-01-30	Joss	NF-PM1	B1=155355
2015-01-29	Joss	NF-PM1	B1=141232
2014-11-25	Joss	NF-PM1	B1=116721
2013-01-07	dbaugh	NF	no factor from 2^62 to 2^63
2011-12-17	markr	NF	no factor from 2^61 to 2^62
2010-11-02	markr	NF-PM1	B1=95000, B2=1995000, E=6
2009-02-14	Sturle Sunde	NF	no factor from 2^60 to 2^61

Username
Password