8 068 433 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
111357479097448822039	21	66.6	2015-11-22 20:35:36

ECM

Digits	B1	Curves
25	50000	3 / 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)	1999-09-07	Paul Rafferty	4A67F42570851E86	0
Verified (Factored)	2004-08-20	Ars Technica Team Prime Rib	4A67F42570851E86	5221312

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-07-28	_p95holder_	D37A6504B3A950D6	1	2569222	5	3
Verified	2020-01-19	daveward2005	D37A6504B3A950D6	1	3466308	5	3

History

Date	User	Type	Result
2020-01-19	daveward2005	C-PRP	M8068433/111357479097448822039 : D37A6504B3A950D6 PRP: Verified PRP without proof (not generated)
2018-07-28	_p95holder_	C-PRP	M8068433/111357479097448822039 : D37A6504B3A950D6 PRP: Verified PRP without proof (not generated)
2015-11-22	snme2pm1	F	Factor: 111357479097448822039 / TF: 66-67*
2015-04-24	snme2pm1	NF	no factor from 2^65 to 2^66
2013-12-25	David Campeau	NF	no factor from 2^64 to 2^65
2013-08-24	David Campeau	NF	no factor from 2^63 to 2^64
2012-10-05	Nesowa	NF-PM1	B1=100000, B2=1950000, E=6