Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 58: | \[{14^{58}-1\over13}\] | 3 × 5 × 59 × 13109 × 25581350023<11> × 114221024581<12> × 396530555859061913<18> × 17101086842968403641<20> |