Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 88: | \[{6^{88}-1\over5}\] | 7 × 23 × 37 × 89 × 1297 × 58477 × 70489 × 863017 × 3154757 × 51828151 × 150080764792922988676714149209<30> |