Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 432: | \[{15^{432}-1\over14}\] | 27 × 13 × 17 × 19 × 37 × 73 × 109 × 113 × 211 × 241 × 433 × 541 × 739 × 811 × 1489 × 3169 × 3877 × 7121 × 7993 × 21061 × 24481 × 179953 × 1659649 × 16354441 × 284329009 × 964764793 × 1248882721 × 2562840001 × 829049498029<12> × 2560392206677<13> × 3506657472973<13> × 9763752384289<13> × 25190737255009<14> × 124763699844001<15> × 566799535049617<15> × 1076233596845085335953<22> × 1477891879996957031251<22> × 3000251475702847870957<22> × 7139172431498648873862278953<28> × 263313962934440595404544244704389617<36> × 670077016988344111387969185955834176769<39> × 3681146013711982928554996492453810475334202071577054121076828599438687972765230193308974471466749511195935413983657603681392401846053710049<139> |