Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 120: | \[{23^{120}-1\over22}\] | 25 × 32 × 52 × 7 × 132 × 31 × 37 × 41 × 53 × 61 × 79 × 151 × 211 × 937 × 941 × 1801 × 5081 × 7549 × 79561 × 139921 × 272341 × 292561 × 5670961 × 83575993 × 229533481 × 336449041 × 541119751 × 74912328481<11> × 76384053703681<14> × 1206964869343609001<19> × 48208012663723213321<20> |