Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 340: | \[{13^{340}-1\over12}\] | 22 × 52 × 7 × 11 × 172 × 103 × 421 × 443 × 601 × 641 × 1021 × 1361 × 2411 × 30941 × 48281 × 897329 × 3553001 × 28152511 × 61165661 × 75094577 × 4246832221 × 6152936617<10> × 4618988261621<13> × 15798461357509<14> × 617886851384381281<18> × 130262335782633067441<21> × 11435433293542010176161611<26> × 562139171639747303605338416886252422621<39> × 155131480113286544910362313013914659595553405623716429649731788544561<69> × 88208188245827445083914370058081232147826361512673071997162234067556045850948658225373201<89> |