Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 426: | \[{19^{426}-1\over18}\] | 22 × 3 × 5 × 73 × 127 × 853 × 1279 × 17041 × 49417 × 529519 × 7563631 × 334006579 × 2059828429 × 2666842361 × 19840332702980239<17> × 27801690183630617<17> × 6792873354474906229327<22> × 1367953340395774788360889<25> × 15039779687938609372385845398208131004523<41> × 2025704439259099019362088408697885685939505089756810927<55> × 1991194980090626746711756687287871896136014383458222435992212560656625027224121444409463201563959354407945556212962030853800214949118334786894379<145> × 568132704907084159775521950303386934054048333908892736864323156601522840872590440544389429001606226739235544786275082403732954818391357216645003580462891898758825101<165> |