Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 377: | \[{19^{377}-1\over18}\] | 59 × 233 × 599 × 29251 × 36189739 × 133338869 × 297003021451861<15> × 165049085515149863<18> × 1105040185561419142884181451<28> × [108583866360279393752854576266710974652587699025440370256584337466860333118526210205946500772675215439418283234275691682826242814160636053034450131743240298979902854334671744351967702548422802534414290712638949589321320142535666816838750873399028098971406423259352917889651193341984234211696096539496363378997102154590522855812007745855365058372238400310814456615749425486540172366284627496772169<396>] |