Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 254: | \[{19^{254}-1\over18}\] | 22 × 5 × 11939 × 1922273 × 7763194787<10> × 145106952103<12> × 235815496619<12> × 34039801625579289448874846062867<32> × 4524592640116176097750092152797184361149792062965544923547438439<64> × 663287782575551425527906155388598603617508948842210355925263869743<66> × 28363483963953449277736296991635431198533209859341145168323249644535566993254066864145019564038114261915111704674791041<119> |