8 093 333 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
263402168868495059959	21	67.8	2018-07-03 03:33:03

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)	1999-10-21	Parker Gillespie	CF11DB18CC7A0365	0
Verified (Factored)	2002-07-27	Frank Blais	CF11DB18CC7A0365	7573860

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-07-09	_p95holder_	DAD3438D4ED573CE	1	1508710	5	3
Verified	2020-01-30	marssystems	DAD3438D4ED573CE	1	2528433	5	3

History

Date	User	Type	Result
2020-01-30	marssystems	C-PRP	M8093333/263402168868495059959 : DAD3438D4ED573CE PRP: Verified PRP without proof (not generated)
2018-07-09	_p95holder_	C-PRP	M8093333/263402168868495059959 : DAD3438D4ED573CE PRP: Verified PRP without proof (not generated)
2018-07-03	chuenkit	F	Factor: 263402168868495059959 / TF: 67-68
2015-11-25	snme2pm1	NF	no factor from 2^66 to 2^67
2015-05-05	snme2pm1	NF	no factor from 2^65 to 2^66
2013-12-25	David Campeau	NF	no factor from 2^64 to 2^65
2012-10-16	Nesowa	NF-PM1	B1=95000, B2=1615000, E=6
2011-07-26	Carsten Kossendey	NF	no factor from 2^63 to 2^64