Base 16 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 317: | \[{16^{317}-1\over15}\] | 9511 × 326330579 × 344759057 × 491981122308467411<18> × 587492521482839879<18> × 637996501286702584141<21> × 4105902567209832582077<22> × 768239607105037206095941<24> × 4868122671322098041565641<25> × 346021592050857587799867500257<30> × 545106175245719003523001266221110757<36> × 9815639231755686605031317440031161584572466128599<49> × 108949095809771517125302430496978608561882505209357<51> × 554346309198841189738200247725749800421156685578702545439230498849139<69> |