SOLUTION: is 42 the right answer for this? Find the GCF for 14 and 21?

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Question 43670: is 42 the right answer for this?
Find the GCF for 14 and 21?

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
YES THE PROOF IS YOU FACTOR THE TWO NUMBERS THUS 2*7 & 3*7 7 BEING COMMON TO BOTH NUMBERS YOU USE IT ONLY ONCE WHEN MULTIPLYING ALL OTHER FACTORS THUS
2*3*7=42