Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 154: | \[{13^{154}-1\over12}\] | 2 × 72 × 23 × 29 × 419 × 859 × 18041 × 22079 × 5229043 × 78947177 × 128011456717<12> × 624958606550654822293<21> × 10138828706452319901511087969019211193701892213<47> × 93637370570179669255549864038765546686618457045468405227057<59> |