Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 162: | \[{31^{162}-1\over30}\] | 25 × 34 × 72 × 19 × 109 × 163 × 331 × 541 × 577 × 1621 × 2593 × 3637 × 6427 × 11503 × 13933 × 81343 × 477739 × 1538083 × 6757669 × 7822981 × 18880993 × 599329963 × 1836205027201<13> × 126901881805771<15> × 3170561214600937<16> × 20561538346557397039189<23> × 281025407208902787266470275952437229<36> × 124796720050174992115146031610052568212932455637390989<54> |