Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 344: | \[{31^{344}-1\over30}\] | 27 × 13 × 37 × 173 × 409 × 1129 × 38873 × 614729 × 146982701137<12> × 2337025631729<13> × 123710288494287399090741372553<30> × 3049055684506560663410351046998584180840895763387409<52> × 2428604265313757770804574128250982331185007279645995324037847<61> × 649922096124328220863135765618962771983833603047554688254172753908883650422073164553<84> × [1480581552749388823991389004339863524762315840805184155657262870082769275683339689821689228780854081303775250287947398742074064618881972554143282759231358317896355327022525059292035228231177916564122056333269041086470646374757363981722999713<241>] |