Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 308: | \[{14^{308}-1\over13}\] | 3 × 5 × 23 × 292 × 67 × 113 × 197 × 617 × 3361 × 3389 × 3851 × 4027 × 56519 × 59753 × 88001 × 140449 × 176597 × 1154539 × 7027567 × 8108731 × 240159217 × 3938797853 × 3970841029 × 5223927017<10> × 11737870057<11> × 34583355269<11> × 293626525039<12> × 11201223484991<14> × 36707095599329<14> × 53380217213346395075243<23> × 91968715347444163699519049<26> × 708590562588639422547863393<27> × 315257364155953014892026218048531<33> × 1053011083204792940840388022407928229<37> × 308065219721288211049999868613187868173<39> |