Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 248: | \[{23^{248}-1\over22}\] | 25 × 3 × 5 × 53 × 373 × 139921 × 8086847 × 32809657 × 21488713821793<14> × 40888990028603<14> × 120377277700913<15> × 2313675671730419<16> × 3641413251511310179<19> × 21711433659565142917<20> × 193794572237529420929<21> × 903306714396084899161<21> × 24826733754645519536393<23> × 1817748739889319695512796411<28> × 622949196133246528766503883191259046520173399331273539838441<60> × 69260513276948578275930998243614035333201902303070744241463690681<65> |