Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 122: | \[{11^{122}-1\over10}\] | 22 × 3 × 440177 × 53320740257<11> × 520518327319589<15> × 137218978667473446671<21> × 38147158686655703132426388314683<32> × 1461808298382111034194027645506019619578037<43> |