Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 459: | \[{15^{459}-1\over14}\] | 103 × 109 × 241 × 307 × 541 × 1123 × 21061 × 1022449 × 2199529 × 3496561 × 16354441 × 1045002649 × 6734509609<10> × 829049498029<12> × 1529065687447<13> × 61323212502523<14> × 425171096278165981<18> × 97406069823939953821<20> × 182883374648164818705985733353475517551453564759950328016451505276621281081<75> × [8446128997761370553331586113564183721933619882485187292932727836607826881595395852032845361986168359239753616241677399691102086214482982469144456931186369006770693603976562793634944045601020997125500431556434118584117206743147870526859908983408816125773582155701025344270794908611564611521003266875582646232476383506625153587<325>] |