Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 154: | \[{19^{154}-1\over18}\] | 22 × 5 × 23 × 197 × 701 × 6469 × 70841 × 73613 × 104281 × 226871 × 62060021 × 685034813 × 8090490101<10> × 253239693257<12> × 226288993450958131<18> × 6891351405600283178784943929657231943<37> × 683565986584949943193098665649843330062157179334638625282436350819956477<72> |