Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 57: | \[{14^{57}-1\over13}\] | 211 × 229 × 428299 × 459715689149916492091<21> × 1725839313594069799295455569880861<34> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 57: | \[{14^{57}-1\over13}\] | 211 × 229 × 428299 × 459715689149916492091<21> × 1725839313594069799295455569880861<34> |