Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 136: | \[{17^{136}-1\over16}\] | 23 × 32 × 5 × 29 × 137 × 1361 × 10949 × 41761 × 1749233 × 2698649 × 2699538733 × 104466451393<12> × 1002402000793<13> × 4678410332263673<16> × 45957792327018709121<20> × 53672141761866517897418494442687551425901437988499299330177239168577<68> |