Base 27 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
73: | \[{27^{73}-1\over26}\] | 11243 × 20149 × 135781 × 15768033143<11> × 9460375336977361<16> × 2587741161535425204771363976763072254792575423514277924289333901<64> |