Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 154: | \[{6^{154}-1\over5}\] | 72 × 23 × 29 × 197 × 55987 × 3154757 × 51828151 × 484847574510970082567<21> × 84002092056248016278479853<26> × 57019087134151254061666621717728669167279862151<47> |