Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
161: | \[{23^{161}-1\over22}\] | 29 × 461 × 1289 × 5336717 × 831603031789<12> × 1920647391913<13> × 3742676434518243293<19> × 100146757193983891984069<24> × 1428729544030752754771753792646067505673560575841771424767726554100039853060598667943517550325965402388455417943722596869952631580906342657<139> |