Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 550: | \[{19^{550}-1\over18}\] | 22 × 53 × 112 × 23 × 101 × 151 × 911 × 1601 × 2251 × 6451 × 18701 × 79151 × 104281 × 127051 × 1074701 × 62060021 × 813127151 × 1176318551 × 253239693257<12> × 484536191701<12> × 747596648084101<15> × 3370949568637201<16> × 36035657195482151<17> × 150669382018464871<18> × 897434095443561438837961170946421<33> × 2762720155370058278742863792112809157901<40> × [1321767779210452354875726687801327604222452994251756448855025868591070364350982239200744634704157534347647894224098977191457801037863663226009457295373182988140916750105910905701744979747767260146136757216298602028114562090051<226>] × 370422256478632218676205573999021713326357579603095589813006218471528100465674073468085364183948688688572408074145202917319356645091701062278650797904957426777719223989485715700384476809070492905245002399310408694882351939683115676351353774651<243> |