Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 345: | \[{17^{345}-1\over16}\] | 47 × 307 × 1381 × 88741 × 25225573 × 6566760001<10> × 9559382330644273<16> × 6915488754497095741<19> × 335430126425379392951<21> × 1070187968644717154676571<25> × 26552618219228090162977481<26> × 5385687325711213602812791946461<31> × 4990158249781591112023434661584357366578306705698456598155502981<64> × 402933922290049813214213997688627569308934255873168195407619392803152545266759672995144979011043380989960788478137500055573042443573762230468763498545444238879514561552580379604849499130861126001<195> |