Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 448: | \[{6^{448}-1\over5}\] | 72 × 17 × 29 × 37 × 113 × 197 × 281 × 337 × 353 × 421 × 449 × 617 × 1297 × 1697 × 2753 × 4817 × 55987 × 98801 × 145601 × 4048129 × 4709377 × 5030761 × 14050095361<11> × 81035189089<11> × 490972383553<12> × 19854979505843329<17> × 10189440239012883075423169<26> × 4347931587984824386556915294792767725957873418590100902582977<61> × 1026745888453552697436968844848917190436254094111712318750754497<64> × 9264708482721781563861409758298981141649189896479142218841050746979756302977<76> |