Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
103: | \[{19^{103}-1\over18}\] | 25339 × 405834978467<12> × 2781054154752782883032125779881884379761516802550397017190960448523488191754317061752510502291353191102716115805637<115> |