Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 513: | \[{14^{513}-1\over13}\] | 211 × 229 × 397 × 18973 × 428299 × 5231917 × 1427145211 × 299113818931<12> × 37573673070907<14> × 722936797177109149<18> × 459715689149916492091<21> × 979597292881313378323<21> × 1725839313594069799295455569880861<34> × 77539436470813023431659196734275560557<38> × 405093093862369921549566771029325973225760449<45> × [306466655600787916981772518547952864557472219566163586955268220608797793383945820374874397946414598282040872008735592096671304537909911839425302390246589786870438254439247333609890091398722084582168529651529006110224420739929775241014365184778328150703286811871873214532272691429954679920262409879562079451166744948965278043431960363883972570464324949429<354>] |