Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 201: | \[{17^{201}-1\over16}\] | 307 × 347329 × 436171 × 1304089 × 533689123369<12> × 3947307526766022401589857104042951617118791047554203106309872173198737769977<76> × 10225403621607465978209468381780497178215960444155868389933706965372697902643093575724767891097565396540606047747839230618272336800207166561<140> |