Base 16 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 249: | \[{16^{249}-1\over15}\] | 3 × 7 × 13 × 167 × 499 × 997 × 1163 × 1993 × 2657 × 136453 × 155377 × 13063537 × 218166829 × 1621324657 × 13455809771<11> × 41732461753<11> × 46202197673<11> × 209957719973<12> × 9202419446683<13> × 148067197374074653<18> × 80485166514184335373<20> × 57912614113275649087721<23> × 5791487405427228378717709<25> × 583117579691967491546961181<27> × 3388098290567587377052016525627948593<37> × 8241594690167137359552274418432855740327<40> |