Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 254: | \[{14^{254}-1\over13}\] | 3 × 5 × 509 × 119881397 × 9269534484051658649690279633719<31> × 940979147721970954812093094478312164633069<42> × 5807903569330628838397641438043673721629079805179747485271977169570595026705431774291706107287413011<100> × 2169499490323125063036337165539611584038715636889655083369499855131578265280148041645775210387297204773509<106> |