Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 672: | \[{15^{672}-1\over14}\] | 28 × 7 × 13 × 17 × 29 × 43 × 97 × 113 × 211 × 241 × 257 × 337 × 673 × 1489 × 2129 × 3169 × 3361 × 3877 × 7121 × 66529 × 91297 × 179953 × 198017 × 327517 × 363217 × 723031 × 745249 × 1659649 × 1743463 × 2526721 × 10123513 × 10678711 × 70857697 × 191354311 × 1248882721 × 2562840001 × 7005474337<10> × 12515552561<11> × 725177029417<12> × 766028506097<12> × 2817034275427<13> × 4454215139669<13> × 31845722644513<14> × 1038405709913713<16> × 12779004583099009<17> × 21975395880100433<17> × 777453109529036081<18> × 15360796671433620373<20> × 5840270932038540650689<22> × 4871829138071848601730474137089<31> × 14986572761868048510608408236729729<35> × 38602348691025427791666546447549336481<38> × 98954393269655578041548452418660988822084084457016928961<56> × 150740657420896759573477014840894505429686717838017357291605377501869584329729<78> × [12992632644803625671372801906495300264387317262424927114936391140600255970982240127568474440963697707022082015589615516724181467694553757530711402447188479137340100741950798416993594338750436281326179974827009<209>] |