Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
89: | \[{12^{89}-1\over11}\] | 179 × 2137 × 120863 × 3163346581 × 16649789224075621<17> × 35035317869663569<17> × 255053775727906405559<21> × 4656868283889935515079<22> |