Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 259: | \[{14^{259}-1\over13}\] | 223 × 8108731 × 394403129 × 141405986837<12> × 1442706553733967817<19> × 6223308177932683558580086481<28> × 40040911250115683038453046089<29> × 55439996294239965438685969473524854693838804741559877640790743116145147<71> × 26916930036468250234695778019879262022928230611177116964972798637209020568924532071883995673237934300643088261138614183649<122> |