Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
171: | \[{17^{171}-1\over16}\] | 192 × 229 × 307 × 1103 × 1270657 × 202607147 × 291973723 × 6162410920417<13> × 908275869985699<15> × 30211339578587520100541032742977<32> × 448150334988446615395051075708685218224017197673473246814740645031236930093767390954545831973272267233613771622736009<117> |