Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 678: | \[{14^{678}-1\over13}\] | 32 × 5 × 61 × 211 × 227 × 2713 × 84751 × 634157 × 1907441 × 5742392869<10> × 938399642135209<15> × 2339966136628961<16> × 142966637846717341<18> × 1129137864254311508083<22> × 107957226976725674039073017<27> × 744005452906228391543944913<27> × 18764037212316153472429864560403605243729603857523083394110277427697<68> × 56087230197970123450986087214392063889836121702624890056715733173078027312288703818421569456093009489339211<107> × [57702044009796979870007182747742534146487075544330548090168630258482360966005485214521573534454240983073475558924338620359072378036705671930515763322253851372102861871761620537780740004271264417<194>] × [251704134027357549454236004184693047110850378137407233503892031846732554548092432934534730575332906429784678084659434495526522776503359170210144308225315174178807697823204000121785541701566895028078481319861613106062701456485947750486413800684136817<249>] |