Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 248: | \[{11^{248}-1\over10}\] | 24 × 3 × 61 × 311 × 1303 × 1489 × 6449 × 7321 × 10789 × 11161 × 50159 × 2428541 × 5721113 × 92247817 × 157571957584602258799<21> × 3658524738455131951223<22> × 4311672901046383796549<22> × 70039146133823870629334170297294343364149<41> × 1638950174786153691075952022215074731727187702580869943406736485973251947792384699431022645116667161<100> |