Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 106: | \[{17^{106}-1\over16}\] | 2 × 32 × 107 × 33179 × 40992110362783761677<20> × 4375997670680275555605273053<28> × 2336661313161818672990011193252900057<37> × 62455829461699068064302297437204524861<38> |