Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 408: | \[{19^{408}-1\over18}\] | 24 × 3 × 5 × 73 × 132 × 172 × 103 × 127 × 1372 × 181 × 307 × 409 × 613 × 769 × 1021 × 1531 × 3833 × 4297 × 354553 × 3044803 × 3952393 × 29935777 × 54474019 × 1786596913 × 99995282631947<14> × 3084256577008769<16> × 274019342889240109297<21> × 1433250916087597060721<22> × 2168875009642198021909889<25> × 74657245773488638417876963<26> × 32013012367457935641831017827<29> × 556265177885869965100900914004037989<36> × 12018294984449418798208224683020356073<38> × 12221491337096180276909343734711305293659569<44> × 15333095456657598053138817864448807737966993529<47> × 460963879093150027413667681751529399493204428121<48> × 24393456034967228763241276675670912373545995000195943184945602017806963529<74> |