Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 328: | \[{23^{328}-1\over22}\] | 25 × 3 × 5 × 53 × 83 × 139921 × 1134389 × 44127446381<11> × 117018989947<12> × 2590078215073<13> × 23838755702749293353<20> × 226229586553830909429285040321<30> × 3680127367343989817844520007520137<34> × 56384434945908343003414576365690424889<38> × 317018172698691402707105521066838685448001<42> × 908303431893218142108567022042358802282789839535011877094724441<63> × 13951446114121713150341635669060368243622319723606883097861504598819720203927925056415935005774106750660486897611027594955282590423819565236414282140819419483942271733977<170> |