Base 16 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 387: | \[{16^{387}-1\over15}\] | 32 × 7 × 13 × 19 × 37 × 73 × 109 × 173 × 431 × 1033 × 1549 × 9719 × 17029 × 46957 × 101653 × 500177 × 2099863 × 6043393 × 11492353 × 121717693 × 147835549 × 1591582393 × 1759217765581<13> × 2932031007403<13> × 14512828061449<14> × 15686603697451<14> × 22763003975641<14> × 96758771543686753<17> × 186808590009488458594153<24> × 5951631966296685834686149<25> × 6834040335349578249140287<25> × 11053036065049294753459639<26> × 109053678968940302364939183451<30> × 3548950581098263559084652467359<31> × 153863873820448335737269313228545091582370817<45> × 757005683160807567854787516147155763238492621<45> × 74511568294243628863306502825698825239868474219<47> |