Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 390: | \[{23^{390}-1\over22}\] | 23 × 32 × 7 × 133 × 31 × 41 × 79 × 131 × 151 × 211 × 859 × 911 × 1171 × 25741 × 31721 × 292561 × 466441 × 4922971 × 47691619 × 480393499 × 541119751 × 677173771 × 684793591 × 74912328481<11> × 1489531614247<13> × 21001515080686141<17> × 30125172037951849<17> × 5030982080433394510231<22> × 459408054528299360264076035007841<33> × 4907283504031996433973161563241071<34> × 1550738312754197195984990763641083397417745874324021<52> × 1837165035394032425658005191754280524104045807345924917984705131<64> × 1263576802248117035094078694110951499106913635841624180763177559708434858050661<79> × 13939007628000832943778073428641476733118046798548142880843617331913282180519841837853622665238391<98> |