Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 371: | \[{5^{371}-1\over4}\] | 2969 × 11131 × 19531 × 5960555749<10> × 17154094481<11> × 35922655704041<14> × 27145365052629449<17> × 226578241537144915139<21> × 11014814494800487352604755748091574916119<41> × 22524108177157511856531387268450126765714109909640309103811550689<65> × 1436749612911088434153004753051255292682012945384094808180957524920544871<73> |