Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 207: | \[{19^{207}-1\over18}\] | 32 × 127 × 277 × 523 × 2347 × 29989 × 1530559 × 9555459481<10> × 16497763013<11> × 1335495402823<13> × 71425475193776503<17> × 323144274465042409<18> × 167026691666949955561753<24> × 569507046504699486468053233<27> × 33924732845800089253308559448191732311789332937699493187151939275173656142180227656736935536787851789295548806585057064259473<125> |