Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 279: | \[{19^{279}-1\over18}\] | 32 × 127 × 523 × 29989 × 37537033 × 92355139 × 5313524497<10> × 243270318891483838103593381595151809701<39> × 252322311240290935481740395615054925529652499675304653560001<60> × [1622272413537569597190110997159325977351737623858458944141114950781309126062411146105814114800745058286259831244335919271851542718062098057990806506647396351977133635793499172364376302324517096306130588608967998079821997059<223>] |