Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
134: | \[{28^{134}-1\over27}\] | 29 × 1313661738407<13> × 308410564740709<15> × 39629149774235919086803410436533512071<38> × 8515488777545809574252900816572650580619264994750394645483<58> × 775491968920206673478944692998859543391704199685306816079182726490119<69> |