Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 616: | \[{13^{616}-1\over12}\] | 23 × 5 × 72 × 17 × 23 × 29 × 89 × 113 × 419 × 617 × 859 × 5281 × 6073 × 7393 × 14281 × 18041 × 22079 × 1702933 × 5229043 × 7874329 × 33409993 × 78947177 × 150324329 × 128011456717<12> × 23161037562937<14> × 718377597171850001<18> × 3577574298489429481<19> × 624958606550654822293<21> × 4803378460849459680406337<25> × 21383402144292105522700117793<29> × 4209006442599882158485591696242263069<37> × 668229430151772307653060812800711311233<39> × 10138828706452319901511087969019211193701892213<47> × 93637370570179669255549864038765546686618457045468405227057<59> × 8282941254056679440230919848638538275392852503987024524308729<61> × [639687480021329864186099568383883660249014483191269405956816811513024526606807781991963407626987706758153812144139263492837328232305115999181312251296872724500094316804290725017240007503966255586437753213408348684654374393<222>] |