Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 494: | \[{8^{494}-1\over7}\] | 32 × 79 × 571 × 1483 × 2731 × 8191 × 15809 × 19267 × 32377 × 121369 × 174763 × 207481 × 524287 × 1212847 × 10049443 × 22366891 × 83352127 × 160465489 × 355011619 × 6459570124697<13> × 402004106269663<15> × 2665675660861389884202429169<28> × 1282816117617265060453496956212169<34> × 213379941663827592701819558102368170760508803<45> × 87341035411411371841151965953966466102952126244970250385834048606070060716959754108184194109897<95> × 291150795732906802034938145111190886627288918406746442843794866343586916500211826831231342021315892730515783564944421926051<123> |