Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 177: | \[{11^{177}-1\over10}\] | 7 × 19 × 1181 × 31153 × 128857 × 77162089 × 70845409351<11> × 33083146850190391025301565142735000331370209599<47> × 7005596150545816426029108678026870967790150254367<49> × 2654778194109135587745824616836378762148098285051961847<55> |