Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 105: | \[{23^{105}-1\over22}\] | 72 × 29 × 43 × 79 × 21001 × 170689 × 292561 × 5336717 × 408030421 × 4558141981<10> × 15716677201<11> × 74912328481<11> × 8829545269167938682361<22> × 29228211639650804163601<23> × 285259002489570164883253468981<30> |