Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 284: | \[{19^{284}-1\over18}\] | 23 × 5 × 181 × 17041 × 49417 × 181193 × 5164541 × 2059828429 × 2666842361 × 19840332702980239<17> × 27801690183630617<17> × 1367953340395774788360889<25> × 15039779687938609372385845398208131004523<41> × 6398395249629472642596628419294588629299964989<46> × 2025704439259099019362088408697885685939505089756810927<55> × 17662759488632516716968842026228254274379182686807937823820894976551251484003746263171361132084455953250232689592480212393<122> |