Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 455: | \[{3^{455}-1\over2}\] | 112 × 71 × 131 × 911 × 1093 × 797161 × 3701101 × 2664097031 × 4011586307 × 386134706231<12> × 110133112994711<15> × 3745603812007166116831643<25> × 2478098909059595945200318151<28> × 1435809872133506127696992748549282318301<40> × 307291131131299065538436123735369861252252196301817770811<57> |