Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 254: | \[{17^{254}-1\over16}\] | 2 × 32 × 509 × 2287 × 19813 × 9085073 × 2339919810119<13> × 30481352405221<14> × 3094976301708373<16> × 1131989419879653316970218011843511731129631784532821288859331<61> × 12532561370648751452974135752674667215721726959058619479488277552569<68> × 18096566898199845748876620858956400873835703993540207333321980837727802056336586866370261470365091582482555679697516241491181<125> |