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The GCF is 6.
840 and 70, respectively.
The GCF is 120.
The GCF is 54.
The GCF is 40. The LCM is 6720. The GCD is infinite.
210
The GCF of 320 and 840 is 40.
The GCF of 10 and 54 is 2.
The GCF is : 54
It is: 7560
The GCF is 2.