5,433+ factors

log in

Advanced search

Message boards : NFS Discussion : 5,433+ factors

Author Message
Greg
Project administrator
Send message
Joined: 26 Jun 08
Posts: 582
Credit: 223,912,432
RAC: 15,881
Message 845 - Posted: 25 Apr 2012, 7:34:49 UTC
Last modified: 25 Apr 2012, 17:54:23 UTC

The composite cofactor of 5,433+ has been factored. It is the product of 133-digit and 139-digit prime numbers:

133-digit prime factor:
6241637147741740981618471273184293996262028746119554490647312140117034401495008827086088786497184191229779873774610991168214097728569

139-digit prime factor:
1467580961499978121154291846665198839729696036838927875996666183436932880522249525332132032375709607853337873409958027533458628135639904081

This is a new third place record for SNFS difficulty and first place champion for largest penultimate factor. The factors have been reported to the Cunningham project and will be recorded on Page 124.

Message boards : NFS Discussion : 5,433+ factors


Home | My Account | Message Boards