Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 436: | \[{19^{436}-1\over18}\] | 23 × 5 × 181 × 177889 × 4118893 × 256380863 × 1551391769 × 10578035801<11> × 17059776827<11> × 10078830603509<14> × 737917509151133574154027<24> × 178757261421937364583811211<27> × 6504935099394014405909146312394647<34> × 3961530772257172751242715595128137716110841782476968116923<58> × 96403979127697054702759120861847143690219871961308845180691653112411949285767582266747559488609<95> × 15197118805448228475872993114909977180487254802855226687179062682198437111221224036532856919101578041886729600175393314426191599942077076027267893211415544708761938940085359167626035314910802546762196183753330162264674365978553283700645545258607485649749<254> |