Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 228: | \[{14^{228}-1\over13}\] | 32 × 5 × 37 × 61 × 191 × 197 × 211 × 229 × 457 × 1033 × 26981 × 428299 × 1621993 × 5363068468501<13> × 77312552100349<14> × 459715689149916492091<21> × 3790272062336677640641<22> × 33805377353247040129578560281<29> × 1725839313594069799295455569880861<34> × 195170541036876871586242124250099044769031<42> × 11879361702747809239229477634218389827485290739411221<53> |