Base 25 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 211: | \[{25^{211}-1\over24}\] | 22144561409<11> × 5594292675731<13> × 37973612258438259769<20> × 2047676978710884689089<22> × 8785612071234927581234843<25> × 1550760729196823058417670649<28> × 144115393066310961947385445876092809<36> × 91807021517467057942827543491998459427<38> × 18283522301529013619136533441360526422166770221<47> × 12117471589560986330527567615247238634978313717528365907029<59> |