Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 219: | \[{17^{219}-1\over16}\] | 293 × 307 × 1621745371 × 3038535503 × 319344640907<12> × 596137412912777<15> × 4322288006974549<16> × 7926411735275731<16> × 151192644932534555018760925054337887684171<42> × 42035267550767493568619105483967554169975221657404703992877308275629503885925194289934234565232309550233609535023475200266017690012481706575418479<146> |