Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 429: | \[{15^{429}-1\over14}\] | 53 × 67 × 241 × 463 × 1249 × 2333 × 8537 × 20749 × 157483 × 197341 × 717289 × 16655159 × 3354210289 × 62475406423<11> × 4969143820807<13> × 606451512892729597861<21> × 3524961678490054751521<22> × 1813911686180774495600290811009246259606407211382731743638341671651483135886772227880267502752462144042478749031701<115> × [813677375076401415651650899161139487558600892803938790380876389446088101166400055838968591915064788559987616720112154840564784606158484313403532769355333870352758619150973763151120610520127028734269956501590061040263144464464018434930643694755314616980388348999337321<267>] |