Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 117: | \[{23^{117}-1\over22}\] | 7 × 19 × 79 × 7792003 × 47691619 × 480393499 × 146999145193993<15> × 251336452798163773<18> × 84919924502838639163<20> × 459408054528299360264076035007841<33> × 35301129975023626547559778905908150113948939543<47> |