Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 324: | \[{31^{324}-1\over30}\] | 26 × 34 × 72 × 13 × 19 × 37 × 109 × 163 × 331 × 541 × 577 × 1621 × 2593 × 2917 × 3637 × 6427 × 11503 × 13933 × 81343 × 238789 × 477739 × 922561 × 1536553 × 1538083 × 6757669 × 7822981 × 18880993 × 599329963 × 32629720213<11> × 512616735577<12> × 1836205027201<13> × 126901881805771<15> × 277477787226853<15> × 3170561214600937<16> × 91556360840213317<17> × 19235533383829731610441<23> × 20561538346557397039189<23> × 281025407208902787266470275952437229<36> × 32062108610721552110761410711665443052285754421710397<53> × 124796720050174992115146031610052568212932455637390989<54> × 160142556519634086804499305308455023294554626666854550592273526009859366676776519191393097<90> |