Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 261: | \[{14^{261}-1\over13}\] | 211 × 349 × 397 × 1567 × 13109 × 18973 × 223939 × 100577221 × 25581350023<11> × 104737370819620213<18> × 396530555859061913<18> × 403476788531724813009371807907132693704496994384144939<54> × [96394287092180383797719272912194570047764523792506745165956646297376062120425582679369665459800890242899417476046895033334612297572824122261249281678789316164965124489<167>] |