Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 225: | \[{23^{225}-1\over22}\] | 7 × 19 × 79 × 6551 × 9001 × 292561 × 7792003 × 289925101 × 74912328481<11> × 2700470569501<13> × 261968569374120475321751<24> × 480211292412647894626919619228001<33> × 1090621172879625550471378131249830699682901<43> × [9789572865926890745238487238382398444818390919023808592874204118275203145183464502347034751587795323881905435284863439097612892029786047892191740499901<151>] |