Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 414: | \[{19^{414}-1\over18}\] | 22 × 32 × 5 × 73 × 47 × 127 × 139 × 199 × 277 × 523 × 691 × 2347 × 2531 × 5521 × 29989 × 236377 × 1530559 × 2296873 × 9555459481<10> × 16497763013<11> × 34409530237<11> × 1335495402823<13> × 71425475193776503<17> × 323144274465042409<18> × 1552450817964462079<19> × 156832034288392140949<21> × 4727618051656780294153<22> × 167026691666949955561753<24> × 569507046504699486468053233<27> × 5626110662469016368763300521571<31> × 33924732845800089253308559448191732311789332937699493187151939275173656142180227656736935536787851789295548806585057064259473<125> × 483273949838181497397437342053555245064057921635486366327255273749035750477389581438571371565722182098702947272396303839349861911307<132> |