Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 210: | \[{18^{210}-1\over17}\] | 74 × 11 × 19 × 31 × 41 × 43 × 71 × 211 × 307 × 449 × 601 × 2711 × 3361 × 9041 × 26881 × 46747 × 47251 × 80207 × 117251 × 558721 × 3052211 × 4179001 × 4274201 × 32222107 × 50451031 × 607371619 × 4476462481<10> × 11630180251<11> × 156107192084257<15> × 6391293850256281<16> × 4164889456901862302881<22> × 65081321032032689150122343401<29> × 35913922125899877885047899653036238637165472882833270401<56> |