Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 411: | \[{5^{411}-1\over4}\] | 31 × 20551 × 603349 × 48102071 × 1758306499 × 13509261751<11> × 121719631478506669<18> × 7851027307722624763151<22> × 3501243666084542114634292493431<31> × 251755028858658462627642052961230751431<39> × 127782376302593668201597380862300429205001455387061193802924304079233341418999754644640080567503105705125240449759273180670045616968424439259<141> |