Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 189: | \[{19^{189}-1\over18}\] | 33 × 127 × 379 × 487 × 523 × 701 × 29989 × 70841 × 216919 × 907471 × 30640261 × 68443621 × 362063089 × 21095068697641<14> × 643301081322733<15> × 513907987925996378410396566096001<33> × 4686078451043425742110921017026394874418796851830941169<55> × 1115644571413259688679855754786977910905790851427990661406789110487<67> |