Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 282: | \[{28^{282}-1\over27}\] | 3 × 29 × 271 × 283 × 757 × 6299 × 34123 × 34687 × 119569 × 895633 × 24128861 × 40763101 × 320601007 × 175323719489<12> × 21277176429749<14> × 1892292333735833<16> × 3425165712672937943<19> × 29837733926988190223311<23> × 347263946374443738653441<24> × 11193961815268113648003741481441<32> × 191773449880214016325731433845127<33> × 10794451258505794581848338245438995963581<41> × 30170009947657529019621541022122900486783580339065581104579516599537<68> × 208654959420127591616611553517941238404759672814194879456406216976867759957<75> |