Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 630: | \[{15^{630}-1\over14}\] | 24 × 7 × 11 × 19 × 31 × 43 × 61 × 71 × 127 × 181 × 211 × 241 × 421 × 541 × 631 × 739 × 811 × 883 × 991 × 1531 × 4931 × 19231 × 21061 × 47701 × 123229 × 142111 × 399043 × 723031 × 1743463 × 2568061 × 4167731 × 10137331 × 10678711 × 10720711 × 35768881 × 39225301 × 48675439 × 191354311 × 388775521 × 497638891 × 1470374630929<13> × 2817034275427<13> × 138711479680351<15> × 269297040407347<15> × 39583293251387761<17> × 36083117529286469251<20> × 53096945644422356461<20> × 14248663932290065014093421<26> × 24596480723711374110433501<26> × 92978587355640205970336221<26> × 4427723399014411115015445589<28> × 44302140197578717455741337921<29> × 5947119650775303865448863939801<31> × 12340745958492257916284855626741<32> × 34325061799194964640546256959605711<35> × 44036458798728929973640280975880193391485565761<47> × 1070608914627944727972607747465607577172091998984751274388858977918871<70> × 14452808931909370052319038822985089075401357757547435926564753268717773158881303826534696469389585841778960401510161<116> |