Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 445: | \[{18^{445}-1\over17}\] | 41 × 2671 × 2711 × 288361 × 4269839081 × 1412957489047649<16> × 4455228237473921<16> × 36037321554594103<17> × 2373467556415439369<19> × 17280008471529631881887<23> × 54418046548399345450871<23> × 55248602049369094679202144729777041<35> × [22705836504719999270864873779427212683622552122181476935169927543334163665590423704549893733606288323172804928468661418935227052452827187877426678634840155393592962693134577993518520080594591503876735683917241377582962243420143185158944489168170785834248677653932145117575940695459951187449124750758845697526322874223162280580790089294952258412249900043841424232150098107875179752679503321<389>] |