Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 386: | \[{22^{386}-1\over21}\] | 23 × 5791 × 19301 × 173555507120777<15> × 88784276991901787<17> × 121658727962291081<18> × [5961033142275274513129500953695596828977534934959807946804167297455073634445121642010335583081777863164337574349628061535536075536487512709022738190461047519582992760223135580403626748627432449443245777436157000828285078179<223>] × 248104717426602165441595447562900420590827382432816028238485788478335070239818297718495952893996407203952508659415890804296919781691924027990959144487946181793254737820870357055885727251050909532734715957807854615287455364739031811751951<237> |