Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 438: | \[{17^{438}-1\over16}\] | 2 × 33 × 7 × 13 × 293 × 307 × 439 × 284117 × 1621745371 × 3038535503 × 319344640907<12> × 596137412912777<15> × 1517302254487813<16> × 4322288006974549<16> × 7926411735275731<16> × 151192644932534555018760925054337887684171<42> × 85689859765745838011113941034951691279812170166581780263612392684121<68> × 42035267550767493568619105483967554169975221657404703992877308275629503885925194289934234565232309550233609535023475200266017690012481706575418479<146> × 3689056900935808597094278746723298205007063137781562675631903858422741089997159860470271616088272812168542565298937984065787863884763401702254359668014155236833670725026242439<175> |