Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
127: | \[{14^{127}-1\over13}\] | 509 × 940979147721970954812093094478312164633069<42> × 5807903569330628838397641438043673721629079805179747485271977169570595026705431774291706107287413011<100> |