Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 99: | \[{14^{99}-1\over13}\] | 67 × 199 × 211 × 397 × 4027 × 18973 × 1154539 × 1035450464203<13> × 77720275181800334933851<23> × 2841459286777991861559883514350922118721754186163777133<55> |