840 and 70, respectively.
LCM = 70 GCF = 7
10 and 210, respectively.
GCF: 7 LCM: 210
The GCF and LCM of 10 and 20 are 10 and 20, respectively.
The LCM and GCF of 40 and 20 are 40 and 20 respectively.
The LCM of 15 and 20 is 60. The GCF is 5.
LCM of 70 and 20 is 140.
The gcf of 16 and 20 is 4. The lcm of 16 and 20 is 80
5 and 210, respectively.
The GCF and LCM of 16 and 20 are 4 and 80, respectively.
The GCF is 4.