Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 373: | \[{5^{373}-1\over4}\] | 2239 × 4350204259<10> × 1368671486390599<16> × 437284546695919489287780329<27> × 132287615591619115060073063073355132265371<42> × 993814769723013038733622579709248518485779<42> × 2634696095973127246023496488851214554377085833500724085471<58> × 64353084849153034985218924257465472793164432610640368232919899649<65> |