Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 148: | \[{14^{148}-1\over13}\] | 3 × 5 × 149 × 197 × 223 × 283051 × 141405986837<12> × 118918748615980063<18> × 5052787535809680019<19> × 13270292968062854021<20> × 20869260239752113310657<23> × 6223308177932683558580086481<28> × 800635015652427578182111867947908724037<39> |