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Find the greatest common factor of 7, 15 and 21
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2 votes
Find the greatest common factor of 7, 15 and 21

User NinjaBomb
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6 votes
one¡!!!!!!!¡!!!!!¡¡!!
User Liviu Ilea
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6 votes

1 because 7 and 15 are prime numbers and so they can't be lowered

User Jewell
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