Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 427: | \[{31^{427}-1\over30}\] | 1709 × 14519 × 113803187 × 917087137 × 50848444051<11> × 1987809391079<13> × 12712081567468100953<20> × 13578586277937589671409<23> × 2458422198511222771859601111973397<34> × [1944008305568625244417905116626917548035980068407855312611067058793640485231960084978690824079619187681133463680124274157950638107869774372731205528796813131566419376044087979942673663881153405854150152323333592221084234837410450837289927319236776214533906567571179997201136637659604836362665991908623947607033957284118986045556018150112781330419253834602922735627930438131916615152064130117921474685047829929064772744463137852621196960692164322469095547751191449277830165789780709929373338554604171542959027807393<514>] |