Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 344: | \[{8^{344}-1\over7}\] | 32 × 5 × 13 × 17 × 173 × 241 × 431 × 1033 × 9719 × 17029 × 46957 × 101653 × 328177 × 359137 × 500177 × 2099863 × 1591582393 × 3855260977 × 1759217765581<13> × 2932031007403<13> × 15686603697451<14> × 64082150767423457<17> × 96758771543686753<17> × 52547670996812050561<20> × 1425343275103126327372769<25> × 5951631966296685834686149<25> × 11053036065049294753459639<26> × 7277473036504760410488618498577<31> × 3299127482423741580907799021277068588977<40> |