Base 16 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 550: | \[{16^{550}-1\over15}\] | 52 × 112 × 17 × 23 × 31 × 41 × 89 × 101 × 251 × 353 × 397 × 401 × 601 × 683 × 881 × 1801 × 2113 × 2971 × 3191 × 4051 × 8101 × 12101 × 35201 × 61681 × 109121 × 148721 × 201961 × 268501 × 340801 × 567601 × 2787601 × 48912491 × 277173601 × 2931542417 × 3173389601 × 3404676001 × 415878438361<12> × 698617420601<12> × 3630105520141<13> × 11035465708081<14> × 333742931196401<15> × 2546717317681681<16> × 18735216413769901<17> × 382027665134363932751<21> × 225117233926884384606401<24> × 1905911178138824081520901<25> × 1080528897710038815140945082604626901<37> × 4074891477354886815033308087379995347151<40> × 1657154808755021818820630633083400618861135574408955395309601<61> × 525077103879105706875225304619849472942239768866741829604368361844184971076751845617813018421428801<99> × 241861516794729837336046087958452873866808443155177447948707938530982316428323386876321611191318103475968017857601<114> |