Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 471: | \[{5^{471}-1\over4}\] | 31 × 3769 × 32029 × 98911 × 5129819 × 2107089779 × 20059319149<11> × 177437212817948285487944124154651<33> × 8616314452100494153901371725720169<34> × 4587548699755676969742331799602074877905422766102260881<55> × 72843036694547100232982717347514290416352325335075135142729243986730690900750041238730441074602666590507657578631285257208015293961718634185439911561955602576363791481<167> |