Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 371: | \[{15^{371}-1\over14}\] | 7 × 1743463 × 4423381 × 71376062269<11> × 19273082604001<14> × 67643058906431<14> × 97656382745657<14> × 186678540264917<15> × 69249662260776479<17> × 4884481166895754226951<22> × 2603667389751346537084259<25> × 78212751121433669009980901933<29> × 242015259135203995776102545747097665463463600546233601359929726410815863273003859024993159099350735585540914844863615955937587395673037007850793701592236192326453442383368403882736417907985334000069139903785001341257619731676157481009896523808896507203805743216437<264> |