Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 533: | \[{7^{533}-1\over6}\] | 83 × 15991 × 20515909 × 2916547219 × 16148168401<11> × 1193942968037<13> × 47516983517173<14> × 125822955470545782151<21> × 4362139336229068656094783<25> × [11422875801056040396465485744176199713651317685804191747000500963853301650519064563196100787991592259441382032549343174176399140862733123482488451906307137143821014341559657701202750207600561784291289459933034912230030045012644597347962990042607248696628518678077345269227957276220687006154765740710209830426197625265506814534612973044167972907619<347>] |