Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 325: | \[{15^{325}-1\over14}\] | 11 × 53 × 131 × 4931 × 42901 × 46751 × 157483 × 16655159 × 7112705843777290751<19> × 10988032146456688677092457548497201<35> × 2019047273585208433900886541315654544678694069335036331<55> × [3877164830741272627284247976005940319023205786793892212923624096938180441902782186374899838346863489240919797215935317058594496203772681488070316296821167764925298315576159385396581468797661915690550475898761584839430792829767903589893812189901<244>] |