Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 378: | \[{31^{378}-1\over30}\] | 25 × 33 × 73 × 19 × 43 × 109 × 127 × 163 × 211 × 331 × 379 × 541 × 577 × 2143 × 3637 × 6301 × 6427 × 8317 × 11971 × 70309 × 71821 × 81343 × 1538083 × 18880993 × 599329963 × 917087137 × 75077698123<11> × 1836205027201<13> × 2813432694367<13> × 45376431752737<14> × 126901881805771<15> × 550469850411853<15> × 1652484831253806817<19> × 3041204060704443103<19> × 175189978713624355909<21> × 657178775852071573297<21> × 71835175787606447597649606493<29> × 66123450334715703887092173465008737<35> × 728921581954037396189325850537700569<36> × 1696548520660409378170104364218967269767457201671658656559052140932537408460653130383317<88> × 4656592314866581742880636931621388566408275368723033215967841664739049085887399645064988995093738649381355753739280122963027<124> |