Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
89: | \[{23^{89}-1\over22}\] | 11393 × 66751 × 70667 × 460843 × 31062781 × 470991383 × 12394735435562113296770410018912233353<38> × 158124310056416991684436337187816394305528216973<48> |