Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 208: | \[{11^{208}-1\over10}\] | 25 × 3 × 17 × 53 × 61 × 911 × 1093 × 7321 × 6304673 × 59583967 × 3158528101 × 9768997162071483134919121<25> × 86759222313428390812218077095850708048977<41> × 97010607829826070873559937268360584022789501553441<50> × 108488104853637470612961399842972948409834611525790577216753<60> |