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The GCF is 7.
GCF of 42 and 112 and 105 is 7.
The GCF is 105.
The GCF is 5.
The GCF is 21.
105
The GCF of 42, 105 and 112 is 7.
7
greatest common factor of 42 112 105 is 7.
The GCF is 14.
14 and 336 respectively.
The LCM is 1680.