Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 98: | \[{23^{98}-1\over22}\] | 23 × 3 × 29 × 71 × 197 × 673 × 2969 × 5336717 × 171913108319<12> × 14284335193633<14> × 1414566930063953<16> × 448514601593253553<18> × 7908659662206739330568797545829013975804515085190454901<55> |