Base 16 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 385: | \[{16^{385}-1\over15}\] | 5 × 112 × 23 × 29 × 31 × 41 × 43 × 71 × 89 × 113 × 127 × 281 × 397 × 617 × 683 × 881 × 2113 × 2971 × 3191 × 8317 × 55441 × 78233 × 86171 × 122921 × 201961 × 7416361 × 47392381 × 48912491 × 219980531 × 869467061 × 3019242689 × 35532364099<11> × 415878438361<12> × 1971764055031<13> × 3630105520141<13> × 76096559910757<14> × 581283643249112959<18> × 182307072098294717589401<24> × 1423566881825006865551221<25> × 2335928204292656509957961<25> × 4362989211422861340320935785851<31> × 1276130308645500829341614664372811<34> × 31055341681190444478126719755965134571151473925765532041<56> × 4123799501879742337097171753935219884236636973702835509033461793103634521<73> |