Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
48: | 26 × 32 × 5 × 7 × 132 × 17 × 37 × 53 × 79 × 937 × 3697 × 7549 × 139921 × 623009 × 12682129 × 83575993 × 483563163219889<15> |