Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 194: | \[{17^{194}-1\over16}\] | 2 × 32 × 389 × 90976939813<11> × 438263590967631109<18> × 65888627940954399173<20> × 231646537192818390287<21> × 10290974283656088969916663<26> × 13803798418776916198818932565461346902705841274674397535895798620689<68> × 5260058366570958134993016141757762551216375548762030392408709648210359241<73> |