Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 339: | \[{17^{339}-1\over16}\] | 307 × 11527 × 19532503 × 24023140081<11> × 2232666022297<13> × 7595584875217715557<19> × 244945407613245926011<21> × 27203987405260576849575289173677699670091<41> × 28574481550172024992053084776665925851755976157291102427196866882656496343232297217720278573186010689681144088552508298215107841<128> × [15443894009981542394456234148140178503169046796780653626114674682711164284053395809045139448592599643918489937993286237656693418583292784898028938934562095641447802217627949<173>] |