Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 249: | \[{19^{249}-1\over18}\] | 3 × 127 × 167 × 997 × 323222917 × 141504832501<12> × 1474004548222130824621<22> × 47696038788215881440253<23> × 47883494048537559360801176718339175927<38> × 4555750199199950437649290574576123158785621674690043100726048398827989978120480865989375363338094993243<103> × 3206544257246130052518879247025160409317689389510714512065022919699939637541213898339010149662493296551539<106> |