Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 185: | \[{17^{185}-1\over16}\] | 149 × 223 × 17021 × 35521 × 88741 × 123581 × 142290808325605421<18> × 1016919604559540581<19> × 6218882581209875638403<22> × 135430735969739848760846788881991039561896489439256464258255492665794854732439481327909879488616690225652241840468870134541071342289033578122115901<147> |