Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 483: | \[{19^{483}-1\over18}\] | 3 × 127 × 277 × 701 × 2347 × 5153 × 70841 × 1530559 × 30640261 × 40082239 × 68443621 × 1534005103 × 9555459481<10> × 16497763013<11> × 1335495402823<13> × 1060687809169199<16> × 71425475193776503<17> × 167026691666949955561753<24> × 705536857239474702622569518622494527098924182414013693100705858277277654501809759561002790667632383139525147985686862443026270012991534667241<141> × [1026635911077796281572018969163258188972896446212914129441830136330900999884389352221423289237244448879972440184841751073751169002886771743705132175010038720576083452771172427376331042074161243397949083575637411567100034646931583652178697820105084687516845102461286914581927052826693845922110971388346497769446981840837393019732399<331>] |