Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 97: | \[{14^{97}-1\over13}\] | 73548556381<11> × 1562794793588378476688372771842284031086513638557587005970930009617762744252085402585874631553746551<100> |