Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 149: | \[{14^{149}-1\over13}\] | 73309 × 2921184325571<13> × 3614646313204739<16> × 86461323974510452851899<23> × 228244140664914750261374020933064642837<39> × 2986278991268085193064870582479240386606976549239773286954065465212422950617<76> |