Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 60: | \[{6^{60}-1\over5}\] | 5 × 7 × 11 × 13 × 31 × 37 × 43 × 61 × 97 × 101 × 181 × 241 × 311 × 1171 × 1201 × 3541 × 6781 × 74161 × 1950271 |