Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 518: | \[{14^{518}-1\over13}\] | 3 × 5 × 223 × 2591 × 283051 × 7027567 × 8108731 × 394403129 × 61817016143<11> × 141405986837<12> × 4293266279639<13> × 118918748615980063<18> × 1442706553733967817<19> × 5052787535809680019<19> × 326301550413829231422654271<27> × 6223308177932683558580086481<28> × 40040911250115683038453046089<29> × 55439996294239965438685969473524854693838804741559877640790743116145147<71> × 26916930036468250234695778019879262022928230611177116964972798637209020568924532071883995673237934300643088261138614183649<122> × 174838274545930566717363441666463259059611292696982146668880455558694933852842640486925160413875497437325383152212788119723718130566290601178246814998938293082792314815230104729753673160026382023<195> |