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Earn +20 ptsQ: What is the greatest common factor of 21 42 84?
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What are the common factors and greatest common factor of 21 and 42?
The common factors of 21 and 42 are 3, 7 and 21. The greatest common factor (GCF) is 21.
What is the greatest common factor for 42 and 21?
21 itself is the greatest common integral factor, since 21 X 2 = 42.
What is the greatest common factor 21 and 42?
Since 21 is a factor of 42, it is automatically the GCF.
What is the greatest common factor of 4942 and 21?
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What is the greatest common factor or 21 42 and 84?
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