Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 295: | \[{15^{295}-1\over14}\] | 11 × 4931 × 8335208000443871<16> × 298157610720691362563759<24> × 450730693785640783112823508605131<33> × 587232859318586491409325369440965227015251999<45> × [177164161860984571809775547001334328075074317661204784969784329757738537298841944568870506195797896302107986848693854403504482740979316264208162192063335119677713897877227610286506874185155265871301732188653767395609917011261<225>] |