Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 476: | \[{13^{476}-1\over12}\] | 22 × 5 × 72 × 172 × 29 × 103 × 239 × 443 × 953 × 1021 × 22079 × 165173 × 897329 × 5229043 × 13883731 × 61165661 × 75094577 × 6152936617<10> × 172597045223<12> × 2534279978077<13> × 2810860561573<13> × 15798461357509<14> × 23161037562937<14> × 617886851384381281<18> × 4398719840401090844782549795249<31> × 1251321793446942324872434004484031<34> × 2448282140803898919889895300672986201<37> × 4612374082571233571173485783879425298299100059023528948849979973541<67> × 318142248276268225390575806767124136220864690474616883094277115023593<69> × 4471632824349874546783939498073740039988111399822525250580812144661663033119275646875776126929482026324827185728765911923172009728435964061<139> |