Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 110: | \[{5^{110}-1\over4}\] | 2 × 3 × 112 × 23 × 67 × 71 × 521 × 5281 × 103511 × 511831 × 12207031 × 65628751 × 190295821 × 10910444855403996246103496881<29> |