Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 475: | \[{23^{475}-1\over22}\] | 191 × 571 × 2129 × 2851 × 6551 × 47501 × 292561 × 551951 × 63877469 × 24282516421<11> × 15792470342401<14> × 24939218613613<14> × 162958442585991961<18> × 261968569374120475321751<24> × 245504283249747627614692981238470997416783622791639991627659963121<66> × [14124410611827624880381422464881943065054496892299028002359585723844221801902915990830750767712930735373482738958954674327760254828204703937953550784971857640554308081671951254619525979606806327772362613627051144142411135848516158415684412844477405331728915029105030556587902858257786804533762548667417083208255715693790346774821681556756758483002286562409152350459383151499245754465919524700494676762525944426608659613806439394224883696955956023599548013531740601<464>] |