Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 550: | \[{22^{550}-1\over21}\] | 23 × 67 × 89 × 101 × 331 × 353 × 118361 × 154001 × 224071 × 245411 × 727351 × 810151 × 2642201 × 41489251 × 1176469537 × 2706385001 × 285451051007<12> × 397278281401<12> × 1357357714241<13> × 7785217902551<13> × 8999351306551<13> × 62354037124651<14> × 705429635566498619547944801<27> × 141621245800930653894440041701151<33> × 12124596978055103279634838475418155930577319721<47> × [1353298107598099823600275421931443853154537642348911613784694416244938709937889114242736425971097305785900841028607178290641542801238161459167408916492001788377451116217972064652661865406193586757767044582591649980576713163551<226>] × [278377822192880478662698407359946083070437419549956862001481713556833331302189454673293519018208405951039899628788336377731423573260332117241958307631518135842475835016956251582212942033150498641029365220304243117515968217847183838853494263787402956570851<255>] |