Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 390: | \[{14^{390}-1\over13}\] | 32 × 52 × 11 × 13 × 31 × 61 × 71 × 79 × 101 × 131 × 157 × 211 × 811 × 911 × 2081 × 2851 × 3761 × 7307 × 14431 × 15511 × 40639 × 100621 × 761437 × 1812721 × 1948981 × 89590931 × 548055041 × 29914249171<11> × 154160620391311<15> × 3921141330646275580183<22> × 84710027970100651637689<23> × 802710327064077868251661<24> × 3374957962330190476351801<25> × 8411347582936206309444183428167163113285171<43> × 706764346937296025191068810953049430062029071<45> × 9770486547282951531724205561361365209086230209275544246566631<61> × 143139056827161325367238558800265008695655128290005252016167566156346940762284927012671<87> |