Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 218: | \[{19^{218}-1\over18}\] | 22 × 5 × 177889 × 4118893 × 256380863 × 1551391769 × 17059776827<11> × 737917509151133574154027<24> × 178757261421937364583811211<27> × 6504935099394014405909146312394647<34> × 3961530772257172751242715595128137716110841782476968116923<58> × 96403979127697054702759120861847143690219871961308845180691653112411949285767582266747559488609<95> |