Base 16 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 645: | \[{16^{645}-1\over15}\] | 3 × 5 × 7 × 11 × 13 × 31 × 41 × 61 × 151 × 173 × 331 × 431 × 1033 × 1291 × 1321 × 1721 × 7741 × 9719 × 17029 × 46441 × 46957 × 101653 × 129001 × 370661 × 500177 × 1952201 × 2099863 × 9084611 × 731516431 × 1591582393 × 4175568751 × 4538991421<10> × 151874081341<12> × 514851898711<12> × 1759217765581<13> × 2932031007403<13> × 4433672767861<13> × 15686603697451<14> × 260125854015641<15> × 1401345270171101<16> × 96758771543686753<17> × 1728221461577944661374351<25> × 5951631966296685834686149<25> × 11053036065049294753459639<26> × 83212524822005103181053031<26> × 297927289744047764444862191<27> × 3636776079565739820284009282897762821<37> × 8510131405590136091948615255367876121<37> × 59904608378705661377430182608711698924130721<44> × 1131832377932535124189124787988905860893840561<46> × 963611233816092061724479829975289020689208992300574155588201<60> × 872452075483845920152963056341062073904144436881542650007216563792210424133301<78> × 83861817871925183739792206470703862766563053456867813459969184678546547694793573468589875745315081<98> |