Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 411: | \[{6^{411}-1\over5}\] | 43 × 6577 × 25247731 × 53280671 × 60042056488501962187<20> × 15222145108790213296269418433344906793793551301042423026314429342733<68> × 38016676702369503824079950139338948639427063906380426878194287916198909451989707979545133741683946744983619460420457976572142424076252414375416367235159667649076510389074951206425247903109626871678033420154355331<212> |