Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 285: | \[{23^{285}-1\over22}\] | 7 × 79 × 191 × 571 × 2129 × 292561 × 63877469 × 2350382803 × 24282516421<11> × 74912328481<11> × 24939218613613<14> × 1420450672756039<16> × 162958442585991961<18> × 370911931337596021<18> × 3015559345436616275558557<25> × 13641114585848604264618961<26> × 245504283249747627614692981238470997416783622791639991627659963121<66> × 2534878322979820078143637516337846010790219419022947269799021073858478762522796166570495926888287211097418908239745445249808569756066245725595009190713741<154> |