Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 527: | \[{8^{527}-1\over7}\] | 103 × 2143 × 11119 × 131071 × 2147483647 × 27840777356527<14> × 259790219453526271<18> × 658812288653553079<18> × 1591894505088303120242858089716859657<37> × 13306086595097866632236752730067629415649399<44> × 50061214622509969230528187280149191683596667776057<50> × 2343254763791128850444156587107279568075476376903297<52> × [1481194650221501679226251223004313830627340480112290589840192638885802774802843280476282271596972903210339681805583160383052683091353375535664032949664162493223062023184664775155282812128231012688984531407221185103150476959<223>] |