Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 680: | \[{10^{680}-1\over9}\] | 11 × 41 × 73 × 101 × 103 × 137 × 271 × 1361 × 3541 × 4013 × 9091 × 26861 × 27961 × 87211 × 1676321 × 2071723 × 28559389 × 152533657 × 262533041 × 787131281 × 787223761 × 1491383821 × 5363222357<10> × 5964848081<10> × 21993833369<11> × 7568346838961<13> × 8119594779271<13> × 2324557465671829<16> × 237612993541791006121<21> × 1988731184935761442996825520561<31> × 4222100119405530170179331190291488789678081<43> × 160220794821014452066741918303580917664386555934641<51> × 65552746171882583264230070868884366877803237222654400793<56> × 3706128023114119218916379460291345996769984434163189932241<58> × 1051361091529803074497312148085134194834726090632313891925201<61> × 2518939361843542777324186815596987183284761640260249316508901269783757152238017118245918288297154753422552473463669614122198237833353657872273444231835817866237166090882172690592655745121<187> |