Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 375: | \[{5^{375}-1\over4}\] | 11 × 31 × 71 × 101 × 151 × 181 × 251 × 401 × 751 × 1741 × 3301 × 1989151 × 3597751 × 9384251 × 28707251 × 49892851 × 183794551 × 317286001 × 281057814001<12> × 527559073501<12> × 4032808198751<13> × 767186663625251<15> × 38033863525621501<17> × 24687045214139234043375683501<29> × 737962557804233329344080750978381574252001<42> × 62753577143735058959113029287733702194964639751<47> |