Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 399: | \[{14^{399}-1\over13}\] | 43 × 211 × 229 × 547 × 8779 × 47881 × 428299 × 504337 × 8108731 × 2239000891 × 459715689149916492091<21> × 1198593260858475460048546363553<31> × 1725839313594069799295455569880861<34> × 9295023919679834157456957488828684628254897491795360756465258380830168552980299123948131<88> × [93772139547059536349748132690465765419426729315640879377197033152229156732672935948644941749892340411493977212696265336686198598198411291719380874369864518320613375356030119292142026716774954284467313035694298015570358177518672457145978769<239>] |