Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 204: | \[{13^{204}-1\over12}\] | 22 × 3 × 5 × 7 × 172 × 61 × 103 × 157 × 443 × 1021 × 28393 × 763879 × 897329 × 1886389 × 61165661 × 75094577 × 718862341 × 6152936617<10> × 15798461357509<14> × 617886851384381281<18> × 229090993311472339969<21> × 535301324317729848039542278039<30> × 476622264829847630603684799705499201<36> × 634821564449281530518302637267071801<36> |