Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 266: | \[{14^{266}-1\over13}\] | 3 × 5 × 191 × 26981 × 146833 × 504337 × 7027567 × 8108731 × 77312552100349<14> × 459715689149916492091<21> × 1198593260858475460048546363553<31> × 39576180399500480620508565123967<32> × 1115664266673123039380699293197537485137265239386785662871800618266491004563751624336481<88> × 9295023919679834157456957488828684628254897491795360756465258380830168552980299123948131<88> |