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The greatest common factor of 20, 24 and 28 is 4.

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9y ago

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11y ago

20 = 2 x 2 x 5

28 = 2 x 2 x 7

24 = 2 x 2 x 6

Greatest common factor = 2 x 2 x 5 x 6 x 7 = 20 x 42 = 840

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Q: What is the greatest common factor for 20 28 24?
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