Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 217: | \[{14^{217}-1\over13}\] | 8108731 × 689985787 × 276374418053024074440889<24> × 26063080998214179685167270877966651<35> × 978416474950645862115615383338559289093261723749246530980369894777890040683489736061755098350012973727061654368235479413557862629349149892290871597427399501410855610754651057<174> |