Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 247: | \[{23^{247}-1\over22}\] | 2129 × 47691619 × 63877469 × 480393499 × 24939218613613<14> × 94080325625720825535224471<26> × [13816836317624788237130735451439490045176636915291298733805965199787729474090336403715097090705416035525652729061727266342498706480694205037386466715486769040327392125931101603050902032439186279869520194746959429779758327137749203949125037827657921813266058754995104711<269>] |