Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 110: | \[{31^{110}-1\over30}\] | 25 × 5 × 112 × 23 × 41 × 397 × 617 × 661 × 2531 × 11551 × 17351 × 21821 × 757241 × 150332843 × 167767051 × 1048563011 × 24106981477091678423113880081946849059226586740161<50> × 236661696642275153056980146191674776616380367693641<51> |