Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
227: | \[{10^{227}-1\over9}\] | 113136621886721<15> × 617431748093238554410874808506989442264783116181403206744221352101186333<72> × 159061592587323425117771471330677165732172663157935428592494153340689013866064831389024866905836001165382255194784215933028413820020114354227<141> |