Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 279: | \[{23^{279}-1\over22}\] | 7 × 19 × 79 × 7792003 × 40888990028603<14> × 83142351790355071<17> × 177997233919972398299983<24> × 1817748739889319695512796411<28> × 326712043035342859080672505541697769847233<42> × [129114431467060882476818549669318248966487123888223328490000261671751177984025018855513359226901739747355251963936903792215224854640356216168137850887211628427822758050988813118218167260311291322639078004975707946754932294658504539341707150625489<246>] |