Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 184: | \[{28^{184}-1\over27}\] | 5 × 29 × 47 × 157 × 1657 × 76913 × 614657 × 893413 × 4136689 × 115152031 × 13675021313<11> × 140668620541<12> × 4099849287367<13> × 452369327439935809<18> × 7353697549144438330337<22> × 6013890309283753610697077<25> × 1517655145813456319033978812579<31> × 879411245603819415373538876009993<33> × 933262884374979506335395316391085238575349369758188504186668361<63> |