Answer:
10
Explanation:
Do you mean GCF? If so, it is 10.
If you mean factors that they have in common it is: 1,2,5 and 10.
Factors of 70: 1,2,5,7,10,14,35,70
Factors of 110: 1,2,5,10,11,22,55,110
GCF is 10
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