Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 381: | \[{11^{381}-1\over10}\] | 7 × 19 × 5744719 × 13593199891<11> × 1016881333519<13> × 2985212831443<13> × 423746556093967<15> × 6073732108394141<16> × 108345618426999904901<21> × 91966303295251191104971960132273397364144023351465750399992554753980589155137853599<83> × 729328926484401074290937964782968027594078926565794057365517145402054011020043085322044226901815742546029036258781941648993801487156557692644429455502824672318263344959847654571144824457011905613569411535871189974257533<219> |