Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 365: | \[{31^{365}-1\over30}\] | 5 × 11 × 6571 × 17351 × 30223 × 122840087453<12> × 197340338942587<15> × 833039147209543<15> × 12458450815391028012863725713721<32> × 404318326024801439191676313735836288644493580299053616879363447<63> × [38444294116643756475810918733901334899068032516717835248400338741699703108162529920910119323180068413117102636324144460163129547702646678140148670906227520000799869871743093955991159327668402464539024148514623007647778123956143224613542470192225631294693341576796306829648539704131332456167624620746925597013065439269184120943876254201234730259881666801639142570072718679106568517391782911445531<395>] |