Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
72: | \[{23^{72}-1\over22}\] | 25 × 33 × 5 × 7 × 132 × 19 × 37 × 53 × 73 × 79 × 109 × 163 × 271 × 937 × 1117 × 1153 × 4789 × 5689 × 7549 × 101089 × 139921 × 2968201 × 7792003 × 83575993 × 20521396873<11> × 6838148542609<13> |