Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 245: | \[{14^{245}-1\over13}\] | 11 × 491 × 3761 × 50177 × 316051 × 8108731 × 867158119717961<15> × 3997875795950412811<19> × 2984619585279628795345143571<28> × 15032545982069748481056074884939451<35> × 55691808161414434292580585256766467712323<41> × 296436853200417446225166000757882806503798221113851<51> × 725872750446855550808183653411725818997931326184783765517743244666321<69> |