Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 258: | \[{19^{258}-1\over18}\] | 22 × 3 × 5 × 73 × 127 × 1033 × 1291 × 2753 × 45597803 × 967598144192139259<18> × 5947171668279705271<19> × 55578787747850091391<20> × 101557564126249673041<21> × 69456939989229889776307<23> × 18917672548149688895557513<26> × 28461948730641665973894996037<29> × 36345637656251647357558267023272022549061<41> × 468595144970360886882426006974314247363057492161789<51> × 5086345414649205177826740885686300803862976717463015661252167<61> |