Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 240: | \[{6^{240}-1\over5}\] | 5 × 7 × 11 × 13 × 17 × 31 × 37 × 41 × 43 × 61 × 97 × 101 × 181 × 241 × 311 × 1171 × 1201 × 1297 × 3541 × 5953 × 6781 × 13441 × 17761 × 55201 × 74161 × 98801 × 122401 × 1678321 × 1950271 × 21027841 × 473896897 × 3696985841 × 68754507401<11> × 121206120881<12> × 592575109627400042641<21> × 445813984361506105237664076966721<33> |