Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
554: | \[{5^{554}-1\over4}\] | 2 × 3 × 1109 × 9650681 × 37095841 × 1490305991985489901<19> × 126388159761055343234292253502483<33> × 14075563135476669013895019180975816431<38> × 3404619686805450872577682576303241043027569651855880269754035774883927538283747389724506151895432018122564778647374603403890510597403<133> × 19716971523010833945259622844059838507088775408691690173413393368566146302056171076631074563531750795430721470242666520512602995151274078653562370611<149> |