Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 406: | \[{6^{406}-1\over5}\] | 72 × 292 × 59 × 197 × 23549 × 32713 × 55987 × 140071 × 1458188789 × 41316543716813<14> × 2727192763388813<16> × 406457127805781473<18> × 7369130657357778596659<22> × 432549126887388039664858367<27> × 38949140456807486296967609878908627719031359287272396600783038762789170329868316555713469<89> × 70856741285081992357902140491469385810425671466661424166221373643548664353228558372719812968017<95> |