Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 428: | \[{3^{428}-1\over2}\] | 23 × 5 × 643 × 50077 × 100153 × 229837 × 582937 × 2827369 × 3096650621 × 481786776662041<15> × 499965737866229<15> × 48965028505045123993421250406516036571557<41> × 4375617272295428356111030724847180250451293<43> × 103337289962616844319854516999125111744200944279921<51> |