Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 52: | \[{14^{52}-1\over13}\] | 3 × 5 × 13 × 53 × 79 × 157 × 197 × 911 × 7307 × 100621 × 178616881 × 29914249171<11> × 337803644207780297<18> |