Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 93: | \[{17^{93}-1\over16}\] | 307 × 4093 × 6123493 × 23125381 × 32914090064285401<17> × 4083338668402072819<19> × 347340647626008901939025023<27> × 20333334196989020875813546533751<32> |