Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 212: | \[{23^{212}-1\over22}\] | 24 × 3 × 5 × 532 × 107 × 568952669 × 134515657106693<15> × 61190665486751483<17> × 76614476156594621168268977128460059157<38> × 108714613987780745424848437010873555115285483921332660457071689<63> × 78451071323200487483159635456930532906861000160194298431263325613911032720959577720948776729615500453044203306656280889702685306361268169021<140> |