Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 522: | \[{15^{522}-1\over14}\] | 24 × 19 × 59 × 211 × 241 × 349 × 523 × 541 × 739 × 811 × 2089 × 21061 × 798084409 × 1831362215404162343599<22> × 15476275967141572773889537007699<32> × 798962746803683694452047348022461<33> × 422898670999329030127560498508143815255455759<45> × 2434454875515985938258837058986771053264041318453337821<55> × [350560269108646745927786544271181812218027186650701257023097701094010188800032522272917797062806754840909292662637823844631207552786292837123796674390024575472994761985290231678659628299971883<192>] × [383230602661467335344660704711589907175921668432930209648829964746864467897322751047636553147142180110899029952465918724302557628324795928720625241219730925667205641926358823155417772121344369144001<198>] |