Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 580: | \[{15^{580}-1\over14}\] | 25 × 11 × 31 × 59 × 113 × 233 × 1531 × 1741 × 4931 × 7541 × 19421 × 52201 × 131381 × 1074277 × 3386041 × 281589769 × 1961554201 × 1240581007181<13> × 640472621166361<15> × 45829626891648603881874121<26> × 15476275967141572773889537007699<32> × 798962746803683694452047348022461<33> × 8269331225814050337668692222063804849<37> × 16234310251180762506604545982584121320088702278121291<53> × 595438841912103003147723443527525527168295940474749551151<57> × 10742665205719702239035931736633456038776965336655176274378819190590029281468183326840017201756174003432441<107> × [5580157837393684994582631192977346710636616606791032100399305808591975108974615938910369967553075951624703051712270387048525684938594812935675554583998179478645074189398612448194560819870143578771397123330143416245773534739936148908027347588621<244>] |