Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 380: | \[{23^{380}-1\over22}\] | 24 × 3 × 52 × 31 × 41 × 53 × 61 × 191 × 211 × 571 × 761 × 941 × 1901 × 2129 × 272341 × 292561 × 493811 × 3195383 × 63877469 × 111236869 × 24282516421<11> × 1970307281599<13> × 24939218613613<14> × 58985533041761<14> × 60848703597029<14> × 162958442585991961<18> × 1072790797270456849349<22> × 77510480603188851674146978847977112084863541<44> × 1491169807631335114416747560083146688530462772388594621<55> × 245504283249747627614692981238470997416783622791639991627659963121<66> × 208392975494730478499959148909612775373002322322760206756861194132671893221636538675018853232256025575091262612159290019534679210797450916557536419199118527085865109092537465551214561<183> |