Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 284: | \[{14^{284}-1\over13}\] | 3 × 5 × 197 × 569 × 2557 × 4261 × 3620291 × 954519632047180992533553119<27> × 56165234981886479394192094297061<32> × 1366708661766018742955066122864694051209<40> × 44859123274519397633244020369148461475583526255489<50> × 3724579212867733605456087879629200034752681177324992249159126962283493<70> × 2998519634775413266909591553964632107718668500827252396588217909220388057736625729487101<88> |