Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 393: | \[{23^{393}-1\over22}\] | 7 × 79 × 263 × 787 × 3931 × 2741437484884711<16> × 742003717168625339<18> × 10253382155170470870257366391175533283442277524879<50> × 140666868670276840727867082154425523626715727566614330498252549393533412756943014075358588572216286998281<105> × [496609274660474167491855323761113045817835928550448699991738951647029205529208317798916539650954384633069229273125939372807033256598027582899654083504755057306497194689527825293054154255333626511164791784544004047664395145678840833857315086716582506708074147048911231261957514211739508413290585564640139922044462491081118930802800865917<336>] |