Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 825: | \[{8^{825}-1\over7}\] | 23 × 31 × 73 × 89 × 151 × 199 × 601 × 631 × 881 × 991 × 1801 × 3191 × 4951 × 23311 × 100801 × 115201 × 143551 × 153649 × 201961 × 599479 × 617401 × 10567201 × 1348206751 × 33057806959<11> × 1086033846151<13> × 702948566745151<15> × 9115784422509601<16> × 13861369826299351<17> × 382027665134363932751<21> × 2048568835297380486760231<25> × 334202934764737951438594746151<30> × 4074891477354886815033308087379995347151<40> × 6084777159537635796550536863741698483921<40> × 4108316654247271397904922852177568560929751<43> × 101249241260240615605217612230376981800142669401<48> × 51214017263315427619472910908600067083763384246151<50> × [435588793780963138698183273450517786976775599273847418860598970328438551370676023952696538904485783760646182100887849470800411385411108657721464665636584972255388144395943906984230008194452635293943888931558850891570890745168332801175194562559248602441371730785000202115173683872732428057001<291>] |