Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 289: | \[{23^{289}-1\over22}\] | 103 × 13873 × 20231 × 214439 × 1205258317 × 9285026719883<13> × 288294479519523769<18> × 62246266355102810647<20> × [126409660790435587661043262421402882412445526172890808140942130731431733522484168241261916152571977749664916827525409084705671606926790157204504837577176682111132643605683728153714718213561541824007384974870138366002693625505566926532677889253992135642387853854195958062726301465678414165605779226645926681466720939687<318>] |