Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 246: | \[{6^{246}-1\over5}\] | 7 × 31 × 43 × 83 × 1231 × 28537 × 8648131 × 25512169 × 141304123 × 1854850885886497427178961<25> × 4837453663777044375040181<25> × 268313928259442786323996685119<30> × 628260227263749127899296330959<30> × 41498448376119216462262063079126262444529017073<47> |