Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 157: | \[{14^{157}-1\over13}\] | 11933 × 122147 × 8218009 × 994774287407<12> × 2148794951053697<16> × 89108435248973323<17> × 3114033882612087506345747690368422779072879343499<49> × 9475399154271295235903928965855730006033176761680822202163051785933123<70> |