Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 564: | \[{15^{564}-1\over14}\] | 25 × 13 × 113 × 211 × 241 × 283 × 659 × 941 × 1129 × 1693 × 2351 × 3877 × 6299 × 22937 × 100957 × 183959 × 4713067 × 235527529 × 1606564717 × 2220066151 × 6293159123893<13> × 1227673926765102001<19> × 2947920462206937499<19> × 2988647062000755871<19> × 12772545054163585974347629<26> × 340316121219761704080784477<27> × 140474858446719628685072278249<30> × 400546952025958526341824468624883789<36> × 1911720079356749248569877503815676973<37> × 2656097495066872027407960633754824283<37> × 16259039044653439840205286387076289149<38> × 5159512086757668323198534134160387746601165108891155348450270395721<67> × 314237271383389423579059164944752760282278580559386914443551938269774331526251335083462921685359096483<102> × 853593719462762006634911602612191883855204321088402781901861801286789308631427732098028457188397824117327098455965277<117> |