Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 472: | \[{5^{472}-1\over4}\] | 23 × 3 × 13 × 313 × 827 × 1889 × 66553 × 5242462229<10> × 38710282321<11> × 3237765225301<13> × 2059647179472887<16> × 21180247636732981<17> × 2047572230657338751575051<25> × 1157409822348098469384602128957288052006070702052516944254770910797210840078500601<82> × 297249242512358547491888615800368810090644753770361512598340893519308181290105058946371421922976978001552810415740409113594833528895845309317193<144> |