Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 309: | \[{10^{309}-1\over9}\] | 3 × 37 × 1031 × 7034077 × 167798066344417387<18> × 3462948230491376473027<22> × 5294796903161592416528456780680376286484870226446771978908657527791<67> × 153211620887015423991278431667808361439217294295901387715486473457925534859044796980526236853<93> × 292815973319957863643663090772618219691707118842359217315010640397456279188940711108958040881306849<99> |