Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 363: | \[{15^{363}-1\over14}\] | 67 × 241 × 463 × 727 × 2333 × 7019 × 8537 × 62475406423<11> × 1371830129407<13> × 4969143820807<13> × 60966770930329903<17> × 5627184418701839214950691388503744769436522116776893<52> × 973596293359690050660589564381789969621086099491919940801<57> × [5511150162010246123948034400623009074366268603120058148019410445352929199610648135165509636691286428087085639959459202905398541855254727329456030363842822725470215036324344096667518830097020776948434045852142916556344166726419816717376382110009<244>] |