Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 378: | \[{19^{378}-1\over18}\] | 22 × 33 × 5 × 74 × 432 × 127 × 197 × 199 × 379 × 487 × 523 × 701 × 757 × 29989 × 41203 × 70841 × 216919 × 226871 × 236377 × 343393 × 524119 × 695899 × 907471 × 2522827 × 30640261 × 68443621 × 204396571 × 362063089 × 1001724990823<13> × 21095068697641<14> × 643301081322733<15> × 68338204247969587<17> × 776346820967879573833<21> × 513907987925996378410396566096001<33> × 5312487032311187714702765495023303147<37> × 4686078451043425742110921017026394874418796851830941169<55> × 1115644571413259688679855754786977910905790851427990661406789110487<67> × 455458622199173356977471025455096658534610023925506843268882979073289612707836605630529261901<93> |