Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 136: | \[{7^{136}-1\over6}\] | 25 × 52 × 137 × 1201 × 14009 × 20129 × 94793 × 59361349 × 2767631689 × 29078814248401<14> × 133088039373662309<18> × 638991748543082113037456009420293477766438233<45> |