Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 319: | \[{19^{319}-1\over18}\] | 59 × 233 × 1277 × 104281 × 4985971 × 62060021 × 297003021451861<15> × 165049085515149863<18> × 13650731121680353867670359777417<32> × [122583103680263403290342092413672505497295091794317358388259149280442058261233475204376343951307342057843548928243107533013322061874118200343924197739105495039566118814568523048631151596322086704888061550739817028551769277329413281839051100707092242101569083286652066539290257265597434427753854713965609607287101950959<318>] |