Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
287: | \[{7^{287}-1\over6}\] | 29 × 83 × 4733 × 12412177 × 20515909 × 2405532607493<13> × 21747676457911610417<20> × 4362139336229068656094783<25> × 738710854664932373205737588298090279327121<42> × 119024615960139050010951822947102288060179859995803647595849404305041611454776671784910175405430682988593323859979907737213<123> |