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12. What is the greatest common factor of 21 and 30? А. З B. 5 .C 6 D.7​

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Answer:GCF of 21 and 30 is 3.

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AERIS22IN

Answer:

12.3

Explanation:

21: 1,3,7,21

30: 1,2,3,5,6,10,15,30

Common factors: 1,3

GCF:

3

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