number 1 GCF=3 LCM=84
number 2 GCF=10 LCM=30
number 3 GCF=8 LCM=80
number 4 GCF=4 LCF=36
number 5 GCF= 1 LCF=378
number 6 GCF=2 LCM=238
number 7 GCF=1 LCM=280
number 8 GCF=10 LCM=20
