Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 354: | \[{15^{354}-1\over14}\] | 24 × 211 × 241 × 709 × 3541 × 7907 × 10267 × 12391 × 90794150425718941<17> × 565322071603278863<18> × 41735992970177767981<20> × 298157610720691362563759<24> × 892626845495887994245891<24> × 769999878418004456634773071<27> × 587232859318586491409325369440965227015251999<45> × 34273355136165018967113536849036352969191495671<47> × 4715990488706543398291711987241492197862971164178833328655667201659859473274199<79> × 180972846504426843468777551505468428743337593786723314431207253447435336385428707840098066303<93> |