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What is the gcf for 18 and 81?

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Anonymous

∙ 15y ago
Updated: 8/17/2019

The factors for 18 are 1, 2, 3, 6, 9, and 18. The factors for 81 are 1, 3, 9, 27, and 81. Therefore the GCF (Greatest Common Factor) is 9 since it is the greatest number they both share.

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∙ 15y ago
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