Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 59: | \[{15^{59}-1\over14}\] | 298157610720691362563759<24> × 587232859318586491409325369440965227015251999<45> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 59: | \[{15^{59}-1\over14}\] | 298157610720691362563759<24> × 587232859318586491409325369440965227015251999<45> |