Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 254: | \[{11^{254}-1\over10}\] | 22 × 3 × 509 × 2140352083 × 2985212831443<13> × 6073732108394141<16> × 108345618426999904901<21> × 4402640625848258016840688846660358437130425243742595514279<58> × 31388714528426479599854099287726722553699547881667856766300787<62> × 91966303295251191104971960132273397364144023351465750399992554753980589155137853599<83> |