Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 308: | \[{6^{308}-1\over5}\] | 72 × 23 × 29 × 37 × 197 × 421 × 55987 × 58477 × 70489 × 863017 × 3154757 × 5030761 × 51828151 × 40590776689<11> × 484847574510970082567<21> × 84002092056248016278479853<26> × 57019087134151254061666621717728669167279862151<47> × 60481410080714565962597769493112579168375675581652035573754794818786652644638545909<83> |