Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 226: | \[{17^{226}-1\over16}\] | 2 × 32 × 227 × 24023140081<11> × 8055018522183469<16> × 139818673681690593546955943353<30> × 4612246785684536812564540046771<31> × 517470379109141712236588717039546632595223529381108662174389<60> × 28574481550172024992053084776665925851755976157291102427196866882656496343232297217720278573186010689681144088552508298215107841<128> |