Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 338: | \[{15^{338}-1\over14}\] | 24 × 53 × 79 × 677 × 157483 × 16655159 × 2266891303 × 1539711288259<13> × 792402808564069<15> × 368117275302148236983<21> × 2318610737675897213064413<25> × 96504908855099679390913298535073661123745438589<47> × 104895003740511905627682870385153889855822516251461520006443305501989170482716625972911081498408040267<102> × 829830140520440994398867075167864951172550269049626875159998833004731253937625926645722509525898668194234431393242308915643116370951124931720241767<147> |