The GCF is 21.
LCM of 105 and 168 is 840.
The GCF is 6.
The GCF is 12.
The GCF is 14.
The GCF is 4.
The GCF is 14.
The GCF of 40 and 168 is 8.
The GCF is 105
The GCF of 55 and 105 is 5.
The GCF is 12.
The GCF is 14.
840 and 945 have a GCF of 105. 945 and 1050 have a GCF of 105.