Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 315: | \[{5^{315}-1\over4}\] | 11 × 19 × 31 × 71 × 181 × 211 × 379 × 631 × 829 × 1171 × 1741 × 4201 × 11971 × 19531 × 23311 × 34651 × 169831 × 280729 × 519499 × 1732501 × 1736701 × 2161279 × 85280581 × 297315901 × 119461537021<12> × 23792163643711<14> × 21226783250214361<17> × 17982707297185911173328698426234220871<38> × 150048981833350001935801890061854363895992901<45> |