Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 478: | \[{23^{478}-1\over22}\] | 23 × 3 × 479 × 3347 × 62141 × 73613 × 12312803 × 84971271349<11> × 232749528601<12> × 10910651841227<14> × 33216821621132724763<20> × 811239864422233323413935701845955936329976322894824636248521746112143702645638022901718044616392334297614262736695988021328395156746374104081941123681941294718306297744588415114105719948091815280937771536773481166497050321799108073755774691941145228161214221843310417241933<273> × [2904502803760030473636288932782284793817584760729370624506135404169861805472027998027027772710523810814990472591645953614823701446695829399104679236730521344986688501386358223641569047388202667590716901925938420554304374447299762780618766177095500088325629430958613276964425458481781438964087317889<298>] |