Base 16 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 293: | \[{16^{293}-1\over15}\] | 587 × 5861 × 12893 × 26371 × 33403 × 22396921 × 60488093 × 12377633813<11> × 796088615657<12> × 498039116406053<15> × 644467520107517023949<21> × 40122362455616221971122353<26> × 13453890779540632945331892129844577<35> × 762551893101410166019390283047520363896913<42> × 28957956380769874950233378106381841334009221<44> × 5402466692901024046835332786846625537686037295987161<52> × 396645227028138890415611220710757921643910743103031701971222447<63> |