two factors posted for M1217 and M1259

tha · 2014-05-21, 09:13

from the recent cleared list:

Code:

ANONYMOUS            Manual testing   1217      F-ECM    May 21 2014  1:54AM
0.0   0.0000 22053390021902056444354293154701006674049109757797668799
  
ANONYMOUS            Manual testing   1259      F-ECM    May 21 2014  1:53AM
0.0   0.0000 12837801903260418659222502180271368969172790209999210831

PBMcL · 2014-05-21, 13:26

Quote:

Originally Posted by tha

from the recent cleared list:

Code:

ANONYMOUS            Manual testing   1217      F-ECM    May 21 2014  1:54AM
0.0   0.0000 22053390021902056444354293154701006674049109757797668799
  
ANONYMOUS            Manual testing   1259      F-ECM    May 21 2014  1:53AM
0.0   0.0000 12837801903260418659222502180271368969172790209999210831

Neither of these is new; Wagstaff shows both on his base 2 table extensions at

http://homes.cerias.purdue.edu/~ssw/cun/xtend/main2mp

flagrantflowers · 2014-05-22, 16:14

From that page that you linked to it seems that M1297 has a factor that is not recorded by GIMPS.

M1297: 80025868895687041966359471596981171570268166357936741924913

If someone wanted to add it that would be great…

Are there other lists like this that might have other large factors for low Mersennes? I would be willing to compare for n<100000

kar_bon · 2014-05-23, 10:13

Quote:

Originally Posted by flagrantflowers

Are there other lists like this that might have other large factors for low Mersennes? I would be willing to compare for n<100000

You can also look here for say M1297.

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
LinkedIn password database was stolen and posted publically	Batalov	Lounge	27	2016-10-19 19:59
No Results Posted	a10001	PrimeNet	14	2015-12-23 01:37
Known factors	ATH	PrimeNet	2	2014-09-04 19:45
Missing factors at the 'Known Factors' page	MatWur-S530113	PrimeNet	11	2009-01-21 19:08
Posted windows programs and source to stop/allow console ver NFSNET	dsouza123	NFSNET Discussion	1	2003-09-30 13:58

2014-05-22, 16:14	#3
flagrantflowers Apr 2014 2⁷ Posts	From that page that you linked to it seems that M1297 has a factor that is not recorded by GIMPS. M1297: 80025868895687041966359471596981171570268166357936741924913 If someone wanted to add it that would be great… Are there other lists like this that might have other large factors for low Mersennes? I would be willing to compare for n<100000