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What is Greatest Common Factor for 9 and 12 and 21?

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Anonymous

∙ 13y ago
Updated: 8/20/2019
  • Factors of 9: 1, 3, 9
  • Factors of 12: 1, 2, 3, 4, 6, 12
  • Factors of 21: 1, 3, 7, 21
  • GCF (9, 12, 21) = 3
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Wiki User

∙ 13y ago
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