Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 268: | \[{17^{268}-1\over16}\] | 22 × 32 × 5 × 29 × 269 × 7103 × 436171 × 522580700249<12> × 369966985497341977627<21> × 9991693611263732728423346911337<31> × 582371940147261099021670876934551809079143788902292118653<57> × 3947307526766022401589857104042951617118791047554203106309872173198737769977<76> × 1862999387373316744413407978654423095942663905387080507632605936985211487916413596992899517569683653436760286231232741<118> |