The GCF of 73 and 70 is 7.
63: 1,3,7,9,21,63
70: 1,2,5,7,10,14,35,70
and so the GCF is 7.
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The greatest common factor of 32 , 70 = 2
The greatest common factor of 70 , 66 = 2
7, what's the highest number that goes evenly into 63 and 70. There aren't that many... :D
10 is the greatest common factor of 130 and 70.
The Greatest Common Factor of 70, 140, 175: 35