Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 119: | \[{13^{119}-1\over12}\] | 103 × 443 × 5229043 × 13883731 × 15798461357509<14> × 1251321793446942324872434004484031<34> × 4612374082571233571173485783879425298299100059023528948849979973541<67> |