Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 915: | \[{5^{915}-1\over4}\] | 11 × 31 × 71 × 181 × 1741 × 1831 × 2441 × 8419 × 38431 × 1884901 × 5923711 × 918585913061<12> × 23289087777421<14> × 1786560207910631<16> × 10780641615218004138391<23> × 117369445599178322177831741<27> × 121282650064473713751122581<27> × 140194179307171898833699259<27> × 282652835579996912219434560073594541<36> × 907108630550049150277513478107544348139630852447868173192872357776247941286941<78> × 15786910611608572151933615919570920019287733311030065854227025502988497719030991<80> × 26232829567763016303279757239440155440264305462403085913103807698575473636155373801587295129463169197989028207381<113> × 83917010773651135624713328534430661514733235826662403751918391612281046710219845480805536660791799444241227421690194238051934090746744283594935412831339301<155> |