Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 418: | \[{5^{418}-1\over4}\] | 2 × 3 × 23 × 67 × 191 × 419 × 761 × 5281 × 6271 × 19609 × 56431 × 213029 × 3981071 × 10123543 × 12207031 × 213379486321<12> × 45859681134648298337859101583259138328629<41> × 7904343218988026792460670575380007658393207937835306387915213621763<67> × 22077963297690156110122595623297583216190476696803907377343492337000542711435241254425456657076461909793693026506147389<119> |