Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 157: | \[{23^{157}-1\over22}\] | 1571 × 46289834471<11> × 142312430685739336109926069821619<33> × 78059435172779220831234062973410913017471<41> × 347950544319375903957353763630718792036219593601902954738448485409472090513127432099981087897605662564427990260384819117207649<126> |