Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 97: | \[{23^{97}-1\over22}\] | 37831 × 437083 × 376645117339<12> × 8929627332642360651429171750713187394279772739059800673754915869984108776013899856074320524951418926918437903<109> |