3 108 367 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
8275820790502542743	19	62.8	2013-01-07 14:10:22
41059440442462293959	20	65.2	2018-06-28 12:21:32

ECM

Digits	B1	Curves
25	50000	6 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Dax Prather	6C78684B0DD096A8	0
Verified (Factored)	1998-07-11	Sauli Siren	6C78684B0DD096A8	0
Verified (Factored)	1999-05-30	Guy Schroeder	6C78684B0DD096A8	1500301

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-29	Oliver Kruse	C9BD2D3501AE5BEC	1	2688692	5	3
Verified (Factored)	2017-12-11	kkmrkkblmbrbk	C9BD2D3501AE5BEC	1	1513136	5	3
Verified	2018-06-29	_p95holder_	C9BD2D3501AE5BEC	2	377503	5	3
Verified	2018-06-29	francijezek	C9BD2D3501AE5BEC	2	2492038	5	3
Verified	2018-06-29	francijezek	C9BD2D3501AE5BEC	2	2516615	5	3

History

Date	User	Type	Result
2022-03-17	LordJulius	NF	no factor from 2^66 to 2^67
2022-01-08	Joss	NF-PM1	B1=1000000, B2=116447100
2021-06-23	Joss	NF	no factor from 2^67 to 2^68
2021-01-14	Joss	NF	no factor from 2^64 to 2^65
2021-01-07	Joss	NF	no factor from 2^63 to 2^64
2020-12-23	Joss	NF-PM1	B1=310836, B2=3108367, E=6
2018-06-29	francijezek	C-PRP	M3108367/8275820790502542743/41059440442462293959 : C9BD2D3501AE5BEC PRP: Verified PRP without proof (not generated)
2018-06-29	francijezek	C-PRP	M3108367/8275820790502542743/41059440442462293959 : C9BD2D3501AE5BEC PRP: Verified PRP without proof (not generated)
2018-06-29	_p95holder_	C-PRP	M3108367/8275820790502542743/41059440442462293959 : C9BD2D3501AE5BEC PRP: Verified PRP without proof (not generated)
2018-06-28	TJAOI	F	Factor: 41059440442462293959 / TF: 65-66
2017-12-11	kkmrkkblmbrbk	C-PRP	M3108367/8275820790502542743 : C9BD2D3501AE5BEC PRP: Verified PRP without proof (not generated)
2017-10-29	Oliver Kruse	C-PRP	M3108367/8275820790502542743 : C9BD2D3501AE5BEC PRP: Verified PRP without proof (not generated)
2013-01-07	dbaugh	F	Factor: 8275820790502542743
2011-11-22	markr	NF	no factor from 2^61 to 2^62
2011-08-23	Squeeky_Squirrel	NF-PM1	B1=100000, B2=2125000, E=6
2009-07-03	Carsten Kossendey	NF-PM1	B1=15000, B2=180000
2009-02-12	Sturle Sunde	NF	no factor from 2^60 to 2^61