Base 32 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 74: | \[{32^{74}-1\over31}\] | 3 × 11 × 223 × 1481 × 1777 × 25781083 × 28136651 × 616318177 × 1587855697992791<16> × 7248808599285760001152755641<28> × 778429365397887608540618330873281<33> |