Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 508: | \[{3^{508}-1\over2}\] | 23 × 5 × 509 × 3049 × 5843 × 22861 × 63247 × 681229 × 10641077 × 21520151 × 52147471 × 76082653 × 301515315752300874236564235591357673<36> × 13030796206528578864006320088875125740738871<44> × 93527194309135077972374707110861991487292050177280349049634013547595419335024897303610313266356016085200881<107> |