Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 561: | \[{19^{561}-1\over18}\] | 3 × 67 × 103 × 127 × 307 × 613 × 1123 × 2113 × 77419 × 104281 × 999329 × 3044803 × 34451077 × 54474019 × 62060021 × 7302593769703<13> × 99995282631947<14> × 370976680100862803881<21> × 17880887920251631177387<23> × 5885466130954928395597963<25> × 74657245773488638417876963<26> × 177635506439112568277872908274123633102790712474537364888480666680213335541285954022697<87> × 3614730492828723249131533107708862663109996946833811334836120379563790789854472581224779<88> × [29080848487598098913130670838627912604913213885941730733391780190668927866803141460073035794370888078954833799135391231208217821075415587069837127947167512137701061026520389005647721489380161733960603298666500814920256816101853624698261306729431791740838309903506188737566856630938595039412492889774512960636105534339302842870399972421774293311233096889302059<359>] |