Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 444: | \[{7^{444}-1\over6}\] | 24 × 3 × 52 × 13 × 19 × 43 × 149 × 181 × 223 × 2887 × 6217 × 177379 × 15015834247<11> × 28063132333<11> × 110960237137<12> × 25443079695091<14> × 12558090335903767<17> × 129405102503301790657<21> × 1670104932753491929339<22> × 56713875643149053038693<23> × 4805345109492315767981401<25> × 15572244900182528777225808449<29> × 96651302095748872822763048599<29> × 6891042949305882214394659726647344864958515967158596120016737<61> × 125208286854858546685921380872063404319862088646448335968826026201474415616406933<81> |