Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
155: | \[{23^{155}-1\over22}\] | 18911 × 292561 × 40888990028603<14> × 1817748739889319695512796411<28> × 688738263602117880643778680308238436423058114977975531121614617331<66> × 1876145553479032165775385143003003452358324053293452461192568049860212671370616737143188168581<94> |