radical 9=3 radical 121=11 radical 391=19
radical 16=4 radical 144=12 radical 400=20
radical 25=5 radical 169=13
radical 36=6 radical 196=14 CPLLL
radical 49=7 radical 225=15
radical 64=8 radical 256=16
radical 81=9 radical 289=17
radical 100=10 radical 324=18