Base 25 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 530: | \[{25^{530}-1\over24}\] | 2 × 11 × 13 × 41 × 71 × 107 × 521 × 1061 × 9161 × 409876561 × 5960555749<10> × 17154094481<11> × 28838378869<11> × 131215231241<12> × 488094322309591<15> × 1335618937071191<16> × 27145365052629449<17> × 8871726015923707071209<22> × 599659003321309822423087<24> × 43347650492220877561107611<26> × 2663028332522257422423831182711147675076701<43> × 243639010783143748440140172149565434203189171<45> × 534366212823606171881874993300544219189772104182089<51> × 319993467214166060693504560600125448696551214669666186201801<60> × 29161052578149094042144314071591423119741055282581013004268125363041947115550050994779248468470887432798762873264848903982789253891086395322246881<146> × 35708914846674842696726215494347481021366049907058856743554175810142269170334779954013987548663866776504084040564706770864660882523198233692877636252345648796761203593507779127331880287813658974612911763608130401<212> |