Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 178: | \[{23^{178}-1\over22}\] | 23 × 3 × 179 × 11393 × 66751 × 70667 × 460843 × 31062781 × 470991383 × 905322817433<12> × 1124628296466412249<19> × 7321791091964958819836930030271109<34> × 12394735435562113296770410018912233353<38> × 158124310056416991684436337187816394305528216973<48> × 487846649707940849607058786016592732059966368066810103<54> |