Base 26 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 480: | \[{26^{480}-1\over25}\] | 34 × 5 × 7 × 11 × 17 × 19 × 31 × 37 × 41 × 61 × 97 × 181 × 241 × 401 × 431 × 677 × 1021 × 1721 × 2081 × 2521 × 3617 × 8641 × 9661 × 26881 × 101377 × 170101 × 1024321 × 20785291 × 46559041 × 57734881 × 232185409 × 25662210913<11> × 126794950561<12> × 208518605101<12> × 208826607601<12> × 216846518851<12> × 1699336937377<13> × 296985885709361<15> × 677911406165761<15> × 818086762247201<15> × 4208999140699141<16> × 7528533299625721<16> × 430164069753779201<18> × 931443508715834641<18> × 2175731013850135201<19> × 3461459973480221761<19> × 270345876173702286721<21> × 2052815117942001131041<22> × 7806168228077979865494401<25> × 252602537987029726871796517081<30> × 422650798214504680302051251283521<33> × 84438493537753249913988350900317537<35> × 14021094744825148864844192484359355728299049521<47> × 548288303686794691750791703581561359325057781148799186378348421761121<69> × 10165934417145304909634815605887679177698908008965637992029626973580987223742561<80> |