Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 279: | \[{17^{279}-1\over16}\] | 19 × 307 × 4093 × 1270657 × 6123493 × 23125381 × 32914090064285401<17> × 4083338668402072819<19> × 347340647626008901939025023<27> × 20333334196989020875813546533751<32> × 112941495605526974012766965879977898032911631144279555372430550322067627970032017026678478785581767616050809787<111> × 2678328900515164699677646977059506802077403089534799607706611259256078410748943946589911800126739336238174422867<112> |