Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 474: | \[{6^{474}-1\over5}\] | 7 × 31 × 43 × 317 × 5531 × 15643 × 2832941 × 1147240288157<13> × 99687312908749681<17> × 26283825237209622143<20> × 197531251446059329471533015409<30> × 8592319153827988586815914947213<31> × 393024899619859590739537077043657<33> × 47093998376912230366243110271664383<35> × 3354972728520006336477396236109856133718254143010542857826856245966015607259426230641<85> × 607533600613067103628013716774869114353725975836629895404043521402494339932482644927777<87> |