Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 76: | \[{14^{76}-1\over13}\] | 3 × 5 × 191 × 197 × 26981 × 5363068468501<13> × 77312552100349<14> × 459715689149916492091<21> × 33805377353247040129578560281<29> |