Base 16 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 411: | \[{16^{411}-1\over15}\] | 3 × 7 × 13 × 823 × 1097 × 15619 × 103573 × 189061 × 7663507 × 17026909 × 2017223347 × 2707079449 × 435700800793<12> × 168434085820849<15> × 27261904199932321<17> × 32127963626435681<17> × 105498212027592977<18> × 32032215596496435569<20> × 5439042183600204290159<22> × 68120209408972507562389<23> × 647923469936355993348337<24> × 206875670104957744917147613<27> × 53609728305112371861051024218617<32> × 76322226733741791880102224082789<32> × 921525707911840587390617330886362701<36> × 298291609560028759691116319707152042481<39> × 330942794250649491454938933721853592410780694190835053<54> × 241777014709302954850239652300043393011478307432536296651<57> |