Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 248: | \[{19^{248}-1\over18}\] | 24 × 5 × 17 × 181 × 373 × 3833 × 774629 × 1503075053 × 3495146833 × 42322724953<11> × 14345411368517<14> × 10154018739210331<17> × 743762742808750682665930129<27> × 382269424964985006093423102821975081<36> × 243270318891483838103593381595151809701<39> × 246477729928451024242825724618843299044257<42> × 57262924888295522261407090782521899957787041<44> × 871257729279196271064727964781310819858902174275512769<54> |