Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 609: | \[{13^{609}-1\over12}\] | 3 × 43 × 61 × 337 × 547 × 1973 × 2843 × 3539 × 7309 × 8527 × 82013 × 451879 × 1050323 × 2714377 × 5229043 × 11878648531<11> × 16150950397<11> × 615557670589<12> × 846041103974872866961<21> × 808648601294417626878199<24> × 7752438767740642444292251<25> × 32188981953012087857559765746138617<35> × 20346032502452364975404552670898198230027009076997080893581986758398932403216813418282487148416831545492923765264667644609651272132947618898623321426274561<155> × [504677803727792760585653935510661527366600480178069270529839379306924532081384204847861020112731275342222435675550647802712271237775142506421306864460561398807702516786948146478767700338152499526381897400383351381702424311111448602898650996812130384277556418372806624749901791348010231380057244813645600038548650881704532657562333<330>] |