Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 432: | \[{31^{432}-1\over30}\] | 28 × 33 × 72 × 13 × 17 × 19 × 37 × 73 × 97 × 109 × 163 × 331 × 409 × 433 × 541 × 577 × 1129 × 3637 × 6427 × 12097 × 81343 × 922561 × 1536553 × 1538083 × 1704673 × 4683817 × 18880993 × 476428033 × 599329963 × 12733754041<11> × 25085030513<11> × 262798661953<12> × 512616735577<12> × 852890113921<12> × 1836205027201<13> × 126901881805771<15> × 277477787226853<15> × 18210235769136721<17> × 91556360840213317<17> × 7499207440683838894753<22> × 19235533383829731610441<23> × 1814503763676130449408979921<28> × 26025995205783527409515597671014410919889<41> × 85966798748260692513336259206739433951089<41> × 42926963506416779294438166608743110611361841<44> × 436873125732048707009804398817318579014429218712935001<54> × 619238519034867041382836318750696470614239790073421738030768948120539693921<75> × 778227310398429136786144327927022767653497812407867688469940136954986684619145473<81> |