Base 16 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 476: | \[{16^{476}-1\over15}\] | 172 × 29 × 43 × 113 × 127 × 137 × 239 × 257 × 953 × 2381 × 5153 × 9521 × 20231 × 26317 × 42841 × 43691 × 131071 × 354689 × 383521 × 823481 × 15790321 × 94994369 × 823679683 × 54410972897<11> × 62983048367<11> × 131105292137<12> × 1580019259393<13> × 2368179743873<13> × 2879347902817<13> × 536296539263941<15> × 115846651946400929<18> × 143162553165560959297<21> × 373200722470799764577<21> × 18292898984156916156396101<26> × 2488196881582734135904733409191377<34> × 967651113494068011489137268940159136059745761<45> × 1558582616098758557797226362422397644260483052666451712469543221157550388621014977297801951261296943567022874822748219328457480439059759136831380017051303896135638884921978370853413738473456977427732691891519656727845098885830672641<232> |