Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 490: | \[{22^{490}-1\over21}\] | 72 × 23 × 29 × 43 × 71 × 197 × 491 × 51647 × 86969 × 224071 × 245411 × 737353 × 882701 × 6412141 × 16968421 × 57036911 × 330328601 × 1545133367 × 1987506739 × 108635136821<12> × 8618608202681<13> × 25375062902561<14> × 53413694268912391<17> × 58402513986319469<17> × 2765572455580426279379621<25> × 294211349582600267301405853<27> × 6152601205705593812532366456803748241<37> × 20934125628717874030514639631784975009<38> × [30999366405015784851756566211994409628409982705993574723317525069795954231872713181125612611830276289111717135564192394240991996803058905179447956985808748718731871<164>] × 124019131047994322896185933659846269905539467749296276499985674311092060081859082229774699750084195279902717422008197342870753328823568227707136282270725335852691795823724543011321231380752644390229301351<204> |