Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 276: | \[{23^{276}-1\over22}\] | 24 × 32 × 5 × 7 × 132 × 37 × 47 × 53 × 79 × 139 × 277 × 461 × 691 × 1013 × 1289 × 1933 × 3313 × 7549 × 7591 × 11593 × 428353 × 1641281 × 52626071 × 1522029233 × 20694209521<11> × 643983069241<12> × 831603031789<12> × 1920647391913<13> × 43166461432817<14> × 49696373692116337<17> × 212620343166625553<18> × 4027959480116314753<19> × 63202741390186172644453<23> × 209243275915196555829361<24> × 15934243655985916238122009<26> × 2555778231696354754306517338366249<34> × 1227182118873258920078252510377225905361<40> × 507643715426153383981635342314655775353433<42> |