Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 201: | \[{31^{201}-1\over30}\] | 3 × 331 × 7237 × 882659 × 25882771 × 117114661 × 447772934301264047325373<24> × 1334574386438395108609084044317<31> × 527131117082818023708828465382157379763<39> × 3194016219117518955187678201131295933359278048138184498174614753990534268415045841739802540340433938269497285874213124351692480291270672088587404499862966776695724439898490583923<178> |