Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 326: | \[{13^{326}-1\over12}\] | 2 × 7 × 653 × 7499 × 231461 × 8693117 × 15018169 × 1279033291 × 2756901479 × 2551939308888735197<19> × 3645787857397596049<19> × 57483449583854824247<20> × 346453308677790002393<21> × 17656285706689979533052285466555693838264362969897002574419308291030452946432294330980761090149<95> × 4875116341807165998646938205236867428544376329495880618235104173530332181117051614859541340918734334357598190495004083440135137484091025227159487<145> |