Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 408: | \[{13^{408}-1\over12}\] | 23 × 3 × 5 × 7 × 172 × 61 × 103 × 137 × 157 × 409 × 443 × 1021 × 14281 × 28393 × 763879 × 897329 × 1886389 × 61165661 × 63104137 × 75094577 × 718862341 × 815702161 × 6152936617<10> × 4681059934921<13> × 15798461357509<14> × 617886851384381281<18> × 229090993311472339969<21> × 535301324317729848039542278039<30> × 476622264829847630603684799705499201<36> × 634821564449281530518302637267071801<36> × 55444393239496164406865681531894115168657269299195964355161<59> × 8211454657702922856127157331930784526505558073377367276180429441632240194241257068827511313356153394179871629966200421536996434041<130> |