Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
100: | \[{5^{100}-1\over4}\] | 22 × 3 × 11 × 13 × 41 × 71 × 101 × 251 × 401 × 521 × 1901 × 9161 × 239201 × 9384251 × 424256201 × 50150933101<11> × 89620825374601<14> |