Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 215: | \[{14^{215}-1\over13}\] | 11 × 173 × 3761 × 439814321 × 8541144684063565933692773061041272523162742407<46> × 7482672741623289613218245247161218717484803548008303326131170475448112680317163859844017865084358572650817172660443352597103948636802371012383571085282289299841911932184105774438320771<184> |