Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 558: | \[{19^{558}-1\over18}\] | 22 × 32 × 5 × 73 × 127 × 199 × 523 × 1303 × 2791 × 29989 × 42409 × 236377 × 12489157 × 36155611 × 37537033 × 75048769 × 92355139 × 1503075053 × 5313524497<10> × 160421803777<12> × 3640352510713<13> × 14345411368517<14> × 10154018739210331<17> × 243270318891483838103593381595151809701<39> × 943643945871172104614541733542770897060557018522360987<54> × 252322311240290935481740395615054925529652499675304653560001<60> × [2908780448921476662688517451395654406016214804201732659747710464484490960457468737490164160726508866484878529874235739193011496406263789551784603152037387496665847795190610010117337694996493880853<196>] × [1622272413537569597190110997159325977351737623858458944141114950781309126062411146105814114800745058286259831244335919271851542718062098057990806506647396351977133635793499172364376302324517096306130588608967998079821997059<223>] |