Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 412: | \[{6^{412}-1\over5}\] | 7 × 37 × 2473 × 5563 × 7211 × 160681 × 135025379 × 8408219407597<13> × 2678624143952808457516330191792080322718547840887752493464690277<64> × 12767653355301160780822191431160569156710177181791578590824899905497<68> × 20704743230318258100890022657208522727453596408722228548650415542999<68> × 23896816025053841989784606497340939625976639688017753392727776672113117628170996269<83> |