Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
119: | \[{5^{119}-1\over4}\] | 239 × 409 × 1429 × 4999 × 19531 × 466344409 × 7497182681291140146079<22> × 788868477693980100643230089490226571<36> |