7 065 343 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

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

Factored

Factor	Digits	Bits	Date
294709992497936682967	21	68.0	2018-07-22 22:35:51

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)	1999-05-02	david nicol	F80B4347375691AA	0
Verified (Factored)	2002-01-08	Calvin Krusen	F80B4347375691AA	6234334

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-07-24	_p95holder_	DB8F10A12A987D21	1	5262606	5	3
Verified	2019-03-08	kkmrkkblmbrbk	DB8F10A12A987D21	1	5524894	5	3

History

Date	User	Type	Result
2019-03-08	kkmrkkblmbrbk	C-PRP	M7065343/294709992497936682967 : DB8F10A12A987D21 PRP: Verified PRP without proof (not generated)
2018-07-24	_p95holder_	C-PRP	M7065343/294709992497936682967 : DB8F10A12A987D21 PRP: Verified PRP without proof (not generated)
2018-07-22	ramgeis	F	Factor: 294709992497936682967 / TF: 67-68*
2018-06-03	Squeeky_Squirrel	NF-PM1	B1=415000, B2=12553750, E=12
2016-08-17	kkmrkkblmbrbk	NF	no factor from 2^66 to 2^67
2015-06-16	VictordeHollander	NF	no factor from 2^65 to 2^66
2014-02-10	lycorn	NF	no factor from 2^64 to 2^65
2014-02-06	Nesowa	NF	no factor from 2^63 to 2^64
2012-01-12	bcp19	NF-PM1	B1=85000, B2=1530000, E=6
2009-07-21	Carsten Kossendey	NF-PM1	B1=40000, B2=590000