Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 445: | \[{12^{445}-1\over11}\] | 179 × 2137 × 4451 × 22621 × 120863 × 3163346581 × 16649789224075621<17> × 35035317869663569<17> × 255053775727906405559<21> × 4656868283889935515079<22> × [15330425145174814374904565971417652926054791652209015989662367334303931814770242549650214579303316111956733594154700284943999239663549693314835575110213204691388657637220176542141188951364760947841610219236540579581080062041372982166474768302684950590756300267179411037725989257817088157423642795286432041519380041827649663803475644149962034579909627877428423706753939462285511<377>] |