Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 255: | \[{10^{255}-1\over9}\] | 3 × 31 × 37 × 41 × 271 × 613 × 210631 × 2071723 × 2906161 × 52986961 × 262533041 × 5363222357<10> × 8119594779271<13> × 77967508765681<14> × 13168164561429877<17> × 17452955481423492661946457391<29> × 34194473116159546979818689031<29> × 4222100119405530170179331190291488789678081<43> × 2385503624916094046163570223793978575506412147454036200711<58> |